Update Arduino core to v2.0.8

Resolves platformio#1079

Author: valeros

boards/lolin_s3_mini.json

@@ -0,0 +1,46 @@
+{
+    "build": {
+      "arduino": {
+        "ldscript": "esp32s3_out.ld",
+        "memory_type": "qio_qspi"
+      },
+      "core": "esp32",
+      "extra_flags": [
+        "-DBOARD_HAS_PSRAM",
+        "-DARDUINO_LOLIN_S3_MINI",
+        "-DARDUINO_USB_MODE=1"
+      ],
+      "f_cpu": "240000000L",
+      "f_flash": "80000000L",
+      "flash_mode": "qio",
+      "hwids": [
+        [
+          "0x303A",
+          "0x8167"
+        ]
+      ],
+      "mcu": "esp32s3",
+      "variant": "lolin_s3_mini"
+    },
+    "connectivity": [
+      "wifi"
+    ],
+    "debug": {
+      "openocd_target": "esp32s3.cfg"
+    },
+    "frameworks": [
+      "arduino",
+      "espidf"
+    ],
+    "name": "WEMOS LOLIN S3 Mini",
+    "upload": {
+      "flash_size": "4MB",
+      "maximum_ram_size": 327680,
+      "maximum_size": 4194304,
+      "require_upload_port": true,
+      "speed": 460800
+    },
+    "url": "https://www.wemos.cc/en/latest/s3/index.html",
+    "vendor": "WEMOS"
+}
+  

boards/seeed_xiao_esp32c3.json

@@ -15,7 +15,7 @@
     "hwids": [
       [
         "0x2886",
-        "0x0047"
+        "0x0046"
       ],
       [
         "0x303a",

boards/seeed_xiao_esp32s3.json

@@ -0,0 +1,52 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_8MB.csv",
+      "memory_type": "qio_qspi"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_XIAO_ESP32S3",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x2886",
+        "0x0056"
+      ],
+      [
+        "0x2886",
+        "0x8056"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "XIAO_ESP32S3"
+  },
+  "connectivity": [
+    "wifi"
+  ],
+  "debug": {
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "Seeed Studio XIAO ESP32S3",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 8388608,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://www.seeedstudio.com/XIAO-ESP32S3-p-5627.html",
+  "vendor": "Seeed Studio"
+}

platform.json

@@ -70,7 +70,7 @@
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~3.20007.0"
+      "version": "~3.20008.0"
     },
     "framework-arduino-mbcwb": {
       "type": "framework",