allow no mode compilation (no host/device enabled). Handy for project without usb to compile such as nrf52832

src/device/usbd_auto_desc.c

@@ -38,13 +38,10 @@
 
 #include "tusb_option.h"
 
-#if TUSB_OPT_DEVICE_ENABLED
-
+#if TUSB_OPT_DEVICE_ENABLED && CFG_TUD_DESC_AUTO
 
 #include "tusb.h"
 
-#if CFG_TUD_DESC_AUTO
-
 //--------------------------------------------------------------------+
 // Auto Description Default Configure & Validation
 //--------------------------------------------------------------------+
@@ -634,6 +631,3 @@ tud_desc_set_t const _usbd_auto_desc_set =
 };
 
 #endif
-
-
-#endif