esp8266: Add utime and pyb.RTC
diff --git a/esp8266/modpyb.h b/esp8266/modpyb.h
index 87dac52..5d5851a 100644
--- a/esp8266/modpyb.h
+++ b/esp8266/modpyb.h
@@ -1 +1,2 @@
 extern const mp_obj_type_t pyb_pin_type;
+extern const mp_obj_base_t pyb_rtc_obj;