PIN_GPS_EN power toggling (#2592)

* PIN_GPS_EN

* Remove extra digitalWrite

* GPS_POWER_TOGGLE macro enabled. Added WSLv3 too

* Update variant.h

* Update variant.h

* Fixed macro guard

variants/heltec_v3/platformio.ini

@@ -4,3 +4,4 @@ board = heltec_wifi_lora_32_V3
 # Temporary until espressif creates a release with this new target
 build_flags = 
   ${esp32s3_base.build_flags} -D HELTEC_V3 -I variants/heltec_v3
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.

variants/heltec_v3/variant.h

@@ -7,6 +7,8 @@
 #define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
 #define BUTTON_PIN 0
 
+#define PIN_GPS_EN 46 // GPS power enable pin
+
 #define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
 #define ADC_CHANNEL ADC1_GPIO1_CHANNEL
 #define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
@@ -29,4 +31,4 @@
 #define SX126X_DIO1 LORA_DIO1
 #define SX126X_BUSY LORA_DIO2
 #define SX126X_RESET LORA_RESET
-#define SX126X_E22
+#define SX126X_E22