hammerhead: Add hardware tunables support: vibrator

Change-Id: If8049f87b06447e7575083043d52716881facbeb
Signed-off-by: Lorenzo M <djmesias@yahoo.es>
hammerhead: Add hardware tunables support: display

Change-Id: I4eba7024542c6fb3727272c54a1521aaa662a64e
Signed-off-by: Lorenzo M <djmesias@yahoo.es>