Move device code from main.cpp to earlyInitVariant (#9438)

variants/nrf52840/heltec_mesh_node_t114/variant.cpp

@@ -19,6 +19,7 @@
 */
 
 #include "variant.h"
+#include "Arduino.h"
 #include "nrf.h"
 #include "wiring_constants.h"
 #include "wiring_digital.h"
@@ -36,3 +37,10 @@ void initVariant()
     pinMode(PIN_LED1, OUTPUT);
     ledOff(PIN_LED1);
 }
+
+void variant_shutdown()
+{
+    nrf_gpio_cfg_default(PIN_GPS_PPS);
+    detachInterrupt(PIN_GPS_PPS);
+    detachInterrupt(PIN_BUTTON1);
+}

variants/nrf52840/heltec_mesh_node_t114/variant.h

@@ -156,7 +156,7 @@ No longer populated on PCB
 
 // The bluetooth transmit power on the nRF52840 is adjustable from -20dB to +8dB in steps of 4dB
 // so NRF52_BLE_TX_POWER can be set to -20, -16, -12, -8, -4, 0 (default), 4, and 8.
-//#define NRF52_BLE_TX_POWER 8
+// #define NRF52_BLE_TX_POWER 8
 
 /*
  * GPS pins