Enabled platform's framework to install by default

platformio/platforms/atmelavr.py

@@ -26,7 +26,7 @@ class AtmelavrPlatform(BasePlatform):
 
         "framework-arduinoavr": {
             "path": join("frameworks", "arduino"),
-            "default": False
+            "default": True
         }
     }
 

platformio/platforms/timsp430.py

@@ -26,7 +26,7 @@ class Timsp430Platform(BasePlatform):
 
         "framework-energiamsp430": {
             "path": join("frameworks", "energia"),
-            "default": False
+            "default": True
         }
     }