esp32/boards/GARATRONIC_PYBSTICK26_ESP32C3: Add pybstick26-esp32c3 defn.

ports/esp32/boards/GARATRONIC_PYBSTICK26_ESP32C3/board.json

@@ -0,0 +1,23 @@
+{
+    "deploy": [
+        "../deploy_nativeusb.md"
+    ],
+    "deploy_options": {
+        "flash_offset": "0"
+    },
+    "docs": "",
+    "features": [
+        "BLE",
+        "External Flash",
+	"RGB LED",
+        "WiFi"
+    ],
+    "images": [
+        "GAR-PYBSTICK26-C3-mUSB-00.JPG"
+    ],
+    "mcu": "esp32c3",
+    "product": "PYBSTICK26_ESP32C3",
+    "thumbnail": "",
+    "url": "https://shop.mchobby.be/fr/pybstick/2505-pybstick26-esp32-c3-micropython-et-arduino-3232100025059.html",
+    "vendor": "McHobby"
+}

ports/esp32/boards/GARATRONIC_PYBSTICK26_ESP32C3/mpconfigboard.cmake

@@ -0,0 +1,7 @@
+set(IDF_TARGET esp32c3)
+
+set(SDKCONFIG_DEFAULTS
+    boards/sdkconfig.base
+    boards/sdkconfig.ble
+    boards/GARATRONIC_PYBSTICK26_ESP32C3/sdkconfig.board
+)

ports/esp32/boards/GARATRONIC_PYBSTICK26_ESP32C3/mpconfigboard.h

@@ -0,0 +1,10 @@
+#define MICROPY_HW_BOARD_NAME               "PYBSTICK26_ESP32C3"
+#define MICROPY_HW_MCU_NAME                 "ESP32C3"
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT "pybstick26_esp32c3"
+
+#define MICROPY_HW_I2C0_SCL                 (1)
+#define MICROPY_HW_I2C0_SDA                 (0)
+
+#define MICROPY_HW_SPI1_MOSI                (7)
+#define MICROPY_HW_SPI1_MISO                (2)
+#define MICROPY_HW_SPI1_SCK                 (6)

ports/esp32/boards/GARATRONIC_PYBSTICK26_ESP32C3/pins.csv

@@ -0,0 +1,13 @@
+GP0,GPIO0
+GP1,GPIO1
+GP2,GPIO2
+GP3,GPIO3
+GP4,GPIO4
+GP5,GPIO5
+GP6,GPIO6
+GP7,GPIO7
+GP8,GPIO8
+GP9,GPIO9
+GP10,GPIO10
+GP20,GPIO20
+GP21,GPIO21

ports/esp32/boards/GARATRONIC_PYBSTICK26_ESP32C3/sdkconfig.board

@@ -0,0 +1,4 @@
+CONFIG_ESP32C3_REV_MIN_3=y
+
+# Workaround for https://github.com/espressif/esp-idf/issues/14456
+CONFIG_ESP_SYSTEM_HW_STACK_GUARD=n