change hcd_int_handler(rhport, in_isr) signature: add in_isr

change tuh_int_handler() to take in_isr as optional parameter (default =
true)

src/host/hcd.h

@@ -131,7 +131,7 @@ bool hcd_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param) TU_AT
 bool hcd_init(uint8_t rhport);
 
 // Interrupt Handler
-void hcd_int_handler(uint8_t rhport);
+void hcd_int_handler(uint8_t rhport, bool in_isr);
 
 // Enable USB interrupt
 void hcd_int_enable (uint8_t rhport);