Merge branch 'master' of github.com:m5stack/M5Stack into master

Author: Tinyu-Zhao

src/utility/Power.cpp

@@ -13,6 +13,7 @@
 #include <rom/rtc.h>
 
 #include "../M5Stack.h"
+#include "esp32/rom/rtc.h"
 
 
 // ================ Power IC IP5306 ===================
@@ -433,4 +434,4 @@ void POWER::powerOFF() {
 
     // wait shutdown from IP5306 (low-current shutdown)
     esp_deep_sleep_start();
-}
+}