- update nrf52 bsp for cmake

- add empty tuh_int_handler/tud_int_handler if corresponidng stack not enabled
- add hcd_template.c

src/tusb.h

@@ -64,7 +64,10 @@
   #if CFG_TUH_VENDOR
     #include "class/vendor/vendor_host.h"
   #endif
-
+#else
+  #ifndef tuh_int_handler
+  #define tuh_int_handler(_x)
+  #endif
 #endif
 
 //------------- DEVICE -------------//
@@ -118,6 +121,10 @@
   #if CFG_TUD_BTH
     #include "class/bth/bth_device.h"
   #endif
+#else
+  #ifndef tud_int_handler
+  #define tud_int_handler(_x)
+  #endif
 #endif