fixed touch buttons for ESP32 S2 and S3

touch is implemented differently on S2 and S3, these changes make touch buttons work on S2 and S3

wled00/fcn_declare.h

@@ -20,6 +20,7 @@ void doublePressAction(uint8_t b=0);
 bool isButtonPressed(uint8_t b=0);
 void handleButton();
 void handleIO();
+void IRAM_ATTR touchButtonISR();
 
 //cfg.cpp
 bool deserializeConfig(JsonObject doc, bool fromFS = false);