add new tusb_int_handler(rhport, in_isr) as common irq handler

update tusb_init() to take rhport and role, defined as macro with optional argument for backward compatible

examples/device/board_test/src/tusb_config.h

@@ -30,11 +30,6 @@
  extern "C" {
 #endif
 
-// board_test example is special example that doesn't enable device or host stack
-// This can cause some TinyUSB API missing, this define hack to allow us to fill those API
-// to pass the compilation process
-#define tud_int_handler(x)
-
 //--------------------------------------------------------------------
 // COMMON CONFIGURATION
 //--------------------------------------------------------------------