Ruby: Initial import of modified board files

Change-Id: I5302b724c102fbee1c431e50a7b5b067bad28a12
input: add cm3628

Change-Id: I5fa4375b1e67497d83683d7021f6f985fdcb1cf8
ruby: fix compiler errors

Change-Id: I28cf304add1606df06b29c0ece111a7cde1e3f77