Add Heltec Wireless Stick Lite V3 support

src/platform/esp32/architecture.h

@@ -86,6 +86,8 @@
     #define HW_VENDOR HardwareModel_DR_DEV
 #elif defined(HELTEC_V3)
     #define HW_VENDOR HardwareModel_HELTEC_V3
+#elif defined(HELTEC_WSL_V3)
+    #define HW_VENDOR HardwareModel_HELTEC_WSL_V3
 #endif
 
 //

variants/heltec_v3/variant.h

@@ -1,5 +1,7 @@
 #define LED_PIN LED
 
+#define HAS_GPS 0
+
 #define RESET_OLED RST_OLED
 #define I2C_SDA SDA_OLED // I2C pins for this board
 #define I2C_SCL SCL_OLED

variants/heltec_wsl_v3/platformio.ini

@@ -0,0 +1,9 @@
+[env:heltec-wsl-v3] 
+platform = https://github.com/Baptou88/platform-espressif32.git
+extends = esp32_base
+board = heltec_wifi_lora_32_V3
+# Temporary: https://community.platformio.org/t/heltec-esp32-lora-v3-board-support/30406/2
+platform_packages =
+   framework-arduinoespressif32@https://github.com/Baptou88/arduino-esp32.git
+build_flags = 
+  ${esp32s3_base.build_flags} -D HELTEC_WSL_V3 -I variants/heltec_wsl_v3

variants/heltec_wsl_v3/variant.h

@@ -0,0 +1,29 @@
+#define LED_PIN LED
+
+#define HAS_SCREEN 0
+#define HAS_GPS 0
+
+#define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
+#define BUTTON_PIN 0
+
+#define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_MULTIPLIER 5.22
+
+#define USE_SX1262
+
+#define LORA_DIO0       -1  // a No connect on the SX1262 module
+#define LORA_RESET      12
+#define LORA_DIO1       14   // SX1262 IRQ
+#define LORA_DIO2       13   // SX1262 BUSY
+#define LORA_DIO3           // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
+
+#define RF95_SCK        9
+#define RF95_MISO       11
+#define RF95_MOSI       10
+#define RF95_NSS        8
+
+#define SX126X_CS       RF95_NSS
+#define SX126X_DIO1     LORA_DIO1
+#define SX126X_BUSY     LORA_DIO2
+#define SX126X_RESET    LORA_RESET
+#define SX126X_E22