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

test/unit-test/test/device/msc/test_msc_device.c

@@ -200,7 +200,7 @@ void setUp(void)
   if ( !tud_inited() )
   {
     dcd_init_Expect(rhport);
-    tusb_init();
+    tusb_init(0, TUSB_ROLE_DEVICE);
   }
 
   dcd_event_bus_reset(rhport, TUSB_SPEED_HIGH, false);

test/unit-test/test/device/usbd/test_usbd.c

@@ -128,7 +128,7 @@ void setUp(void)
   {
     mscd_init_Expect();
     dcd_init_Expect(rhport);
-    tusb_init();
+    tusb_init(0, TUSB_ROLE_DEVICE);
   }
 }