Merge branch 'dev' into dev-heltec-v4.3

variants/heltec_v4/HeltecV4Board.cpp

@@ -10,8 +10,6 @@ void HeltecV4Board::begin() {
     loRaFEMControl.init();
 
     periph_power.begin();
-
-    esp_reset_reason_t reason = esp_reset_reason();
     if (reason == ESP_RST_DEEPSLEEP) {
       long wakeup_source = esp_sleep_get_ext1_wakeup_status();
       if (wakeup_source & (1 << P_LORA_DIO_1)) {  // received a LoRa packet (while in deep sleep)