Update Arduino core to v2.0.14

Resolves #1184

Author: valeros

platform.json

@@ -79,7 +79,7 @@
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~3.20011.0"
+      "version": "~3.20014.0"
     },
     "framework-arduino-mbcwb": {
       "type": "framework",