Add SavagedZen governor

Change-Id: I73c53dcc99684ee6f8e2d13b72aefb4b29e2b11f
Add OndemandX governor

Change-Id: I00d555e6356ff473523d7daf910d50c31d680d99
Add Aggressive governor

Change-Id: I9c320a78951e6f4d5d7c23b76b2cc398d4729b3e
Bump kernel version to 1.6

Change-Id: Id683fd020d434f25d5c07885b640212c2e363e17