Add initial support for Station G3 variant (#10457)

* Add initial support for Station G3 variant

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

variants/esp32s3/station-g2/platformio.ini

@@ -22,10 +22,11 @@ upload_speed = 921600
 build_unflags =
   ${esp32s3_base.build_unflags}
   -DARDUINO_USB_MODE=0
-build_flags = 
+build_flags =
   ${esp32s3_base.build_flags}
   -D STATION_G2
   -I variants/esp32s3/station-g2
+  -I variants/esp32s3/station-common
   -DBOARD_HAS_PSRAM
   -DSTATION_G2
   -DARDUINO_USB_MODE=1

variants/esp32s3/station-g2/variant.h

@@ -2,39 +2,9 @@
 Board Information: https://wiki.uniteng.com/en/meshtastic/station-g2
 */
 
-// Station G2 may not have GPS installed, but it has a GROVE GPS Socket for Optional GPS Module
-#define GPS_RX_PIN 7
-#define GPS_TX_PIN 15
-
-// Station G2 has 1.3 inch OLED Screen
-#define USE_SH1107_128_64
-
-#define I2C_SDA 5 // I2C pins for this board
-#define I2C_SCL 6
-
-#define BUTTON_PIN 38 // This is the Program Button
-#define BUTTON_NEED_PULLUP
-
-#define USE_SX1262
-
-#define LORA_MISO 14
-#define LORA_SCK 12
-#define LORA_MOSI 13
-#define LORA_CS 11
-
-#define LORA_RESET 21
-#define LORA_DIO1 48
+#include "station_common.h"
 
 #ifdef USE_SX1262
-#define SX126X_CS LORA_CS // FIXME - we really should define LORA_CS instead
-#define SX126X_DIO1 LORA_DIO1
-#define SX126X_BUSY 47
-#define SX126X_RESET LORA_RESET
-
-//  DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
-#define SX126X_DIO2_AS_RF_SWITCH
-#define SX126X_DIO3_TCXO_VOLTAGE 1.8
-
 // Ensure the PA does not exceed the saturation output power. More
 // Info:https://wiki.uniteng.com/en/meshtastic/station-g2#summary-for-lora-power-amplifier-conduction-test
 #define SX126X_MAX_POWER 19