Add SK32F077x (SK32F0xx) HAL port, GENERIC_SK32_F077 board and demos

.cproject

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+					<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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+		<project id="chibios-contrib.null.842802285" name="chibios-contrib"/>
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.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>chibios-contrib</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
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+</projectDescription>

demos/SK32/GENERIC_SK32_F077/Makefile

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+##############################################################################
+# Build global options
+# NOTE: Can be overridden externally.
+#
+
+# Compiler options here.
+ifeq ($(USE_OPT),)
+  USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
+endif
+
+# C specific options here (added to USE_OPT).
+ifeq ($(USE_COPT),)
+  USE_COPT = 
+endif
+
+# C++ specific options here (added to USE_OPT).
+ifeq ($(USE_CPPOPT),)
+  USE_CPPOPT = -fno-rtti
+endif
+
+# Enable this if you want the linker to remove unused code and data.
+ifeq ($(USE_LINK_GC),)
+  USE_LINK_GC = yes
+endif
+
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = 
+endif
+
+# Enable this if you want link time optimizations (LTO).
+# NOTE: left at "no" because -flto + a toolchain path containing spaces
+# breaks the link on Windows (lto-wrapper -> make: Permission denied).
+ifeq ($(USE_LTO),)
+  USE_LTO = no
+endif
+
+# Enable this if you want to see the full log while compiling.
+ifeq ($(USE_VERBOSE_COMPILE),)
+  USE_VERBOSE_COMPILE = no
+endif
+
+# If enabled, this option makes the build process faster by not compiling
+# modules not used in the current configuration.
+ifeq ($(USE_SMART_BUILD),)
+  USE_SMART_BUILD = yes
+endif
+
+#
+# Build global options
+##############################################################################
+
+##############################################################################
+# Architecture or project specific options
+#
+
+# Stack size to be allocated to the Cortex-M process stack. This stack is
+# the stack used by the main() thread.
+ifeq ($(USE_PROCESS_STACKSIZE),)
+  USE_PROCESS_STACKSIZE = 0x400
+endif
+
+# Stack size to the allocated to the Cortex-M main/exceptions stack. This
+# stack is used for processing interrupts and exceptions.
+ifeq ($(USE_EXCEPTIONS_STACKSIZE),)
+  USE_EXCEPTIONS_STACKSIZE = 0x400
+endif
+
+# Enables the use of FPU (no, softfp, hard).
+ifeq ($(USE_FPU),)
+  USE_FPU = no
+endif
+
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+  USE_FPU_OPT =
+endif
+
+#
+# Architecture or project specific options
+##############################################################################
+
+##############################################################################
+# Project, target, sources and paths
+#
+
+# Define project name here
+PROJECT = ch
+
+# Target settings.
+MCU  = cortex-m0
+
+# Imported source files and paths.
+CHIBIOS  := ../../../../chibios
+CHIBIOS_CONTRIB := ../../../../chibios-contrib
+CONFDIR  := ./cfg
+BUILDDIR := ./build
+DEPDIR   := ./.dep
+BOARDDIR := $(CHIBIOS_CONTRIB)/os/hal/boards/GENERIC_SK32_F077
+
+# Licensing files.
+include $(CHIBIOS)/os/license/license.mk
+# Startup files.
+include $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_SK32F0xx.mk
+# HAL-OSAL files (optional).
+include $(CHIBIOS)/os/hal/hal.mk
+include $(CHIBIOS_CONTRIB)/os/hal/ports/SK32/SK32F0xx/platform.mk
+include $(BOARDDIR)/board.mk
+include $(CHIBIOS)/os/hal/osal/rt-nil/osal.mk
+# RTOS files (optional).
+include $(CHIBIOS)/os/rt/rt.mk
+include $(CHIBIOS)/os/common/ports/ARMv6-M/compilers/GCC/mk/port.mk
+# Auto-build files in ./source recursively.
+include $(CHIBIOS)/tools/mk/autobuild.mk
+
+# Define linker script file here
+LDSCRIPT= $(STARTUPLD_CONTRIB)/SK32F077xB.ld
+
+# C sources that can be compiled in ARM or THUMB mode depending on the global
+# setting.
+CSRC = $(ALLCSRC) \
+       main.c
+
+# C++ sources that can be compiled in ARM or THUMB mode depending on the global
+# setting.
+CPPSRC = $(ALLCPPSRC)
+
+# List ASM source files here.
+ASMSRC = $(ALLASMSRC)
+
+# List ASM with preprocessor source files here.
+ASMXSRC = $(ALLXASMSRC)
+
+# Inclusion directories.
+INCDIR = $(CONFDIR) $(ALLINC)
+
+# Define C warning options here.
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
+
+# Define C++ warning options here.
+CPPWARN = -Wall -Wextra -Wundef
+
+#
+# Project, target, sources and paths
+##############################################################################
+
+##############################################################################
+# Start of user section
+#
+
+# List all user C define here, like -D_DEBUG=1
+UDEFS = -DSK32F077xB
+
+# Define ASM defines here
+UADEFS = -DSK32F077xB
+
+# List all user directories here
+UINCDIR =
+
+# List the user directory to look for the libraries here
+ULIBDIR =
+
+# List all user libraries here
+ULIBS =
+
+#
+# End of user section
+##############################################################################
+
+##############################################################################
+# Common rules
+#
+
+RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk
+include $(RULESPATH)/arm-none-eabi.mk
+include $(RULESPATH)/rules.mk
+
+#
+# Common rules
+##############################################################################
+
+##############################################################################
+# Custom rules
+#
+
+#
+# Custom rules
+##############################################################################