BCD_DEVICE guarded with ifndef

CHANGELOG.rst

@@ -11,6 +11,8 @@ sc_usb_audio Change Log
                   mixer functionality.  
     - RESOLVED:   (Minor) Potential build issue due to duplicate labels in inline asm in
                   set_interrupt_handler macro
+    - RESOLVED:   (Minor) BCD_DEVICE define in devicedefines.h now guarded by ifndef (caused issues
+                  with DFU test build configs.
     - RESOLVED:   (Minor) String descriptor for Clock Selector unit incorrectly reported
     - CHANGE:     HID report descriptor defines added to shared user_hid.h
     - CHANGE:     Now uses module_adat_rx from sc_adat (local module_usb_audio_adat removed)

module_usb_audio/devicedefines.h

@@ -472,8 +472,9 @@
  *
  * Default: XMOS USB Audio Release version (e.g. 0x0651 for 6.5.1).
  */
+#ifndef BCD_DEVICE
 #define BCD_DEVICE               ((BCD_DEVICE_J << 8) | ((BCD_DEVICE_M & 0xF) << 4) | (BCD_DEVICE_N & 0xF))
-
+#endif
 
 /**
  * @brief Number of supported output stream formats.