feat: Enable GPS on RAK 1W kit

Author: zevaryx

variants/rak3401/platformio.ini

@@ -6,6 +6,7 @@ build_flags = ${nrf52_base.build_flags}
   ${sensor_base.build_flags}
   -I variants/rak3401
   -D RAK_3401
+  -D RAK_BOARD
   -D NRF52_POWER_MANAGEMENT
   -D RADIO_CLASS=CustomSX1262
   -D WRAPPER_CLASS=CustomSX1262Wrapper
@@ -82,6 +83,7 @@ board_upload.maximum_size = 712704
 build_flags =
   ${rak3401.build_flags}
   -I examples/companion_radio/ui-new
+  -D PIN_GPS_EN=-1
   -D DISPLAY_CLASS=SSD1306Display
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40