Update for DFRobot ESP32 boards (#829)

* fix: correcting hardware config for firebeetle-32
* add: DFRobot Beetle 32C

boards/dfrobot_beetle_esp32c3.json

@@ -0,0 +1,47 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32c3_out.ld"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_ESP32C3_DEV",
+      "-DARDUINO_USB_MODE=1"
+    ],
+    "f_cpu": "160000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x3343",
+        "0x8364"
+      ],
+      [
+        "0x303A",
+        "0x1001"
+      ]
+    ],
+    "mcu": "esp32c3",
+    "variant": "dfrobot_beetle_esp32c3"
+  },
+  "connectivity": [
+    "wifi"
+  ],
+  "debug": {
+    "openocd_target": "esp32c3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "DFRobot Beetle ESP32-C3",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://www.dfrobot.com/product-2566.html",
+  "vendor": "DFRobot"
+}

boards/firebeetle32.json

@@ -13,9 +13,7 @@
   },
   "connectivity": [
     "wifi",
-    "bluetooth",
-    "ethernet",
-    "can"
+    "bluetooth"
   ],
   "debug": {
     "openocd_board": "esp-wroom-32.cfg"
@@ -26,12 +24,12 @@
   ],
   "name": "FireBeetle-ESP32",
   "upload": {
-    "flash_size": "4MB",
-    "maximum_ram_size": 327680,
-    "maximum_size": 4194304,
+    "flash_size": "16MB",
+    "maximum_ram_size": 532480,
+    "maximum_size": 16777216,
     "require_upload_port": true,
     "speed": 460800
   },
-  "url": "https://dfrobotblog.wordpress.com",
+  "url": "https://wiki.dfrobot.com/FireBeetle_ESP32_IOT_Microcontroller(V3.0)__Supports_Wi-Fi_&_Bluetooth__SKU__DFR0478",
   "vendor": "DFRobot"
 }