ESP32s3: Migrate variants to new structure (#7343)

variants/esp32s3/ELECROW-ThinkNode-M2/variant.h

@@ -0,0 +1,65 @@
+// Status
+#define LED_PIN 1
+
+#define PIN_BUTTON1 47 // 功能键
+#define PIN_BUTTON2 4  // 电源键
+#define ALT_BUTTON_PIN PIN_BUTTON2
+#define ALT_BUTTON_ACTIVE_LOW false
+#define ALT_BUTTON_ACTIVE_PULLUP false
+
+#define LED_POWER 6
+#define ADC_V 42
+// USB_CHECK
+#define EXT_PWR_DETECT 7
+
+#define PIN_BUZZER 5
+
+#define I2C_SCL 15
+#define I2C_SDA 16
+
+#define UART_TX 43
+#define UART_RX 44
+
+#define VEXT_ENABLE 46 // for OLED
+#define VEXT_ON_VALUE HIGH
+
+#define SX126X_CS 10
+#define LORA_SCK 12
+#define LORA_MOSI 11
+#define LORA_MISO 13
+#define SX126X_RESET 21
+#define SX126X_BUSY 14
+#define SX126X_DIO1 3
+#define SX126X_DIO2_AS_RF_SWITCH
+// #define SX126X_DIO3 9
+#define SX126X_DIO3_TCXO_VOLTAGE 3.3
+
+#define SX126X_MAX_POWER 22 // SX126xInterface.cpp defaults to 22 if not defined, but here we define it for good practice
+#define USE_SX1262
+#define LORA_CS SX126X_CS // FIXME: for some reason both are used in /src
+#define LORA_DIO1 SX126X_DIO1
+#define SX126X_POWER_EN 48
+
+// Battery
+// #define BATTERY_PIN 2
+#define BATTERY_PIN 17
+// #define ADC_CHANNEL ADC1_GPIO2_CHANNEL
+#define ADC_CHANNEL ADC2_GPIO17_CHANNEL
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+#undef AREF_VOLTAGE
+#define AREF_VOLTAGE 3.0
+#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
+#define ADC_MULTIPLIER (1.548F)
+#define BAT_MEASURE_ADC_UNIT 2
+
+#define HAS_SCREEN 1
+#define USE_SH1106 1
+
+// PCF8563 RTC Module
+// #define PCF8563_RTC 0x51
+// #define PIN_RTC_INT 48 // Interrupt from the PCF8563 RTC
+#define HAS_RTC 0
+#define HAS_GPS 0
+
+#define BUTTON_PIN PIN_BUTTON1