Generate stacktrace and reset exception for ctrl-c interrupt

Added code in mp_hal_delay_ms() to generate stacktrace and reset exception for ctrl-c interrupt

Author: DavePutz

supervisor/shared/tick.c

@@ -105,6 +105,12 @@ void mp_hal_delay_ms(mp_uint_t delay) {
         if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)) ||
            MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_reload_exception)) ||
            WATCHDOG_EXCEPTION_CHECK()) {
+           if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)))
+           {
+            // clear exception and generate stacktrace
+            MP_STATE_VM(mp_pending_exception) = MP_OBJ_NULL;
+            nlr_raise(mp_obj_new_exception(&mp_type_KeyboardInterrupt));
+           }
             break;
         }
         remaining = end_tick - port_get_raw_ticks(NULL);