fixed platform name and version

Author: ppescher

sam/1.0.3/platform.txt

@@ -1,12 +1,14 @@
 
-# Arduino SAM Core and platform.
-# ------------------------------
+# OpenTracker SAM Core and platform.
+# ----------------------------------
 #
 # For more info:
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5-3rd-party-Hardware-specification
 
-name=Arduino ARM (32-bits) Boards
-version=1.6.6
+name=OpenTracker ARM (32-bits) Boards
+version=1.0.3
+
+# Derived from Arduino SAM core 1.6.6
 
 # SAM3 compile variables
 # ----------------------