waf: re-add vendor specific DSDL

wscript

@@ -620,7 +620,7 @@ def _build_dynamic_sources(bld):
     if (bld.get_board().with_can or bld.env.HAL_NUM_CAN_IFACES) and not bld.env.AP_PERIPH:
         bld(
             features='uavcangen',
-            source=bld.srcnode.ant_glob('modules/DroneCAN/DSDL/*', dir=True, src=False),
+            source=bld.srcnode.ant_glob('modules/DroneCAN/DSDL/* libraries/AP_UAVCAN/dsdl/*', dir=True, src=False),
             output_dir='modules/uavcan/libuavcan/include/dsdlc_generated',
             name='uavcan',
             export_includes=[