Bluetooth: btusb: use default nvm if boardID is 0 for wcn6855.

if boardID is 0, will use the default nvm file without surfix.

Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/btusb.c

@@ -4172,9 +4172,15 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
 	int err;
 
 	if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
-		snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
-			 le32_to_cpu(ver->rom_version),
-			 le16_to_cpu(ver->board_id));
+		/* if boardid equal 0, use default nvm without surfix */
+		if (le16_to_cpu(ver->board_id) == 0x0) {
+			snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
+				 le32_to_cpu(ver->rom_version));
+		} else {
+			snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
+				le32_to_cpu(ver->rom_version),
+				le16_to_cpu(ver->board_id));
+		}
 	} else {
 		snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
 			 le32_to_cpu(ver->rom_version));