Direct Firmware load of Bluetooth FW fails on RB8 and RB4

[sgaud-quic]

Direct Firmware load of Bluetooth FW fails on RB8 and RB4 :

LAVA jobs :
https://lava-oss.qualcomm.com/scheduler/job/60876#results_4219
https://lava-oss.qualcomm.com/scheduler/job/60872#results_3753

[PASS] 2026-03-24 06:54:03 - DT node/compatible for BT present (at least one entry matched).
[WARN] 2026-03-24 06:54:03 - No BT firmware matching msbtfw*/msnv* found under standard firmware paths.
[WARN] 2026-03-24 06:54:03 - btfwloaded: no final success marker found (pattern: setup on UART is completed|setup on uart is completed). Recent tail:
[   13.916361][  T291] Bluetooth: HCI UART protocol LL registered
[   13.916424][  T291] Bluetooth: HCI UART protocol QCA registered
[   13.916590][   T84] hci_uart_qca serial0-0: supply vddio not found, using dummy regulator
[   13.916747][   T84] hci_uart_qca serial0-0: supply vddbtcxmx not found, using dummy regulator
[   13.917005][   T84] hci_uart_qca serial0-0: supply vddrfa1p7 not found, using dummy regulator
[   13.918377][  T111] Bluetooth: hci0: setting up wcn6855
[   13.923322][  T111] Bluetooth: hci0: QCA Product ID   :0x00000013
[   13.923327][  T111] Bluetooth: hci0: QCA SOC Version  :0x400c1211
[   13.923329][  T111] Bluetooth: hci0: QCA ROM Version  :0x00000201
[   13.923331][  T111] Bluetooth: hci0: QCA Patch Version:0x000038e6
[   13.934386][  T111] Bluetooth: hci0: QCA controller version 0x12110201
[   13.934392][  T111] Bluetooth: hci0: QCA Downloading qca/wcnhpbtfw21.tlv
[   13.934479][  T111] bluetooth hci0: Direct firmware load for qca/wcnhpbtfw21.tlv failed with error -2
[   13.934490][  T111] Bluetooth: hci0: QCA Failed to request file: qca/wcnhpbtfw21.tlv (-2)
[   13.934493][  T111] Bluetooth: hci0: QCA Downloading qca/hpbtfw21.tlv
[   13.934541][  T111] bluetooth hci0: Direct firmware load for qca/hpbtfw21.tlv failed with error -2
[   13.934549][  T111] Bluetooth: hci0: QCA Failed to request file: qca/hpbtfw21.tlv (-2)
[   13.934551][  T111] Bluetooth: hci0: QCA Failed to request file: qca/hpbtfw21.tlv (-2)
[   13.934553][  T111] Bluetooth: hci0: HFP non-HCI data transport is supported

[WeiDeng-weiden]

Please check f/w file present in file path /lib/firmware/qca. @sgaud-quic