ports/esp32/board/AirM2M_CORE_ESP32S3_UART: Add new board.

esp32/boards: Add the AirM2M Core ESP32S3 development board, More info: <https://wiki.luatos.com/chips/esp32s3/index.html>.

Signed-off-by: HalfSweet <HalfSweet@HalfSweet.cn>

ports/esp32/boards/AirM2M_CORE_ESP32S3_UART/board.json

@@ -0,0 +1,18 @@
+{
+    "deploy": [
+        "../deploy_s3.md"
+    ],
+    "docs": "",
+    "features": [
+        "BLE",
+        "WiFi"
+    ],
+    "images": [
+        "airm2m-core-esp32s3.png"
+    ],
+    "mcu": "esp32s3",
+    "product": "AirM2M Core ESP32S3 UART(CH343)",
+    "thumbnail": "",
+    "url": "https://wiki.luatos.com/chips/esp32s3/index.html",
+    "vendor": "AirM2M"
+}

ports/esp32/boards/AirM2M_CORE_ESP32S3_UART/mpconfigboard.cmake

@@ -0,0 +1,11 @@
+set(IDF_TARGET esp32s3)
+
+set(SDKCONFIG_DEFAULTS
+    boards/sdkconfig.base
+    boards/sdkconfig.usb
+    boards/sdkconfig.ble
+    boards/sdkconfig.240mhz
+    boards/sdkconfig.spiram_sx
+    boards/sdkconfig.spiram_oct
+    boards/AirM2M_CORE_ESP32S3_UART/sdkconfig.board
+)

ports/esp32/boards/AirM2M_CORE_ESP32S3_UART/mpconfigboard.h

@@ -0,0 +1,10 @@
+#define MICROPY_HW_BOARD_NAME               "AirM2M Core ESP32S3"
+#define MICROPY_HW_MCU_NAME                 "ESP32S3"
+
+#define MICROPY_PY_MACHINE_DAC              (0)
+
+// Enable UART REPL for modules that have an external USB-UART and don't use native USB.
+#define MICROPY_HW_ENABLE_UART_REPL         (1)
+
+#define MICROPY_HW_I2C0_SCL                 (12)
+#define MICROPY_HW_I2C0_SDA                 (11)

ports/esp32/boards/AirM2M_CORE_ESP32S3_UART/sdkconfig.board

@@ -0,0 +1,11 @@
+CONFIG_FLASHMODE_QIO=y
+CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+CONFIG_ESPTOOLPY_FLASHSIZE_DETECT=y
+CONFIG_ESPTOOLPY_AFTER_NORESET=y
+
+CONFIG_SPIRAM_MEMTEST=
+
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
+CONFIG_ESPTOOLPY_FLASHSIZE="16MB"
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions-16MiB.csv"