t-beam supreme: fixes and consolidation

Made changes requested by Scott
Simplified gps init sequence and removed unnecessary code
Reverted SensorManager change
Updated PMU flow to enable header outputs

src/helpers/SensorManager.h

@@ -13,7 +13,7 @@ public:
   double node_lat, node_lon;  // modify these, if you want to affect Advert location
   double node_altitude;       // altitude in meters
 
-  SensorManager() { node_lat = 0; node_lon = 0; node_altitude = 0;}
+  SensorManager() { node_lat = 0; node_lon = 0; node_altitude = 0; }
   virtual bool begin() { return false; }
   virtual bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) { return false; }
   virtual void loop() { }

src/helpers/TBeamS3SupremeBoard.h

@@ -61,10 +61,10 @@ public:
 
   void begin() {
 
-    power_init();
-
     ESP32Board::begin();
 
+    power_init();
+
     esp_reset_reason_t reason = esp_reset_reason();
     if (reason == ESP_RST_DEEPSLEEP) {
       long wakeup_source = esp_sleep_get_ext1_wakeup_status();