mako: update from JWR66V

Change-Id: I4786c913a94ef5ac3bd16a75e3a042a5302a78e5
mako: add prebuilt powerhal

aosp seems outdated:
E/PowerHAL(  589): touch_boost: failed to send: No such file or directory

Change-Id: Ia2251d944da0db17b24116e5ae10bf361d2fcf51