Update MCUdude cores

Author: valeros

platform.json

@@ -71,31 +71,31 @@
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~3.0.0"
+      "version": "~3.0.2"
     },
     "framework-arduino-avr-mightycore": {
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~3.0.0"
+      "version": "~3.0.2"
     },
     "framework-arduino-avr-minicore": {
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~3.0.0"
+      "version": "~3.0.2"
     },
     "framework-arduino-avr-majorcore": {
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~3.0.0"
+      "version": "~3.0.2"
     },
     "framework-arduino-avr-microcore": {
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~2.3.0"
+      "version": "~2.4.0"
     },
     "framework-arduino-avr-nicai": {
       "type": "framework",