serrano: Enable home and volume button wake options

Change-Id: Ibabc251a6b86f518ce2a6eba68bb8926f314361c
serrano: Enable histogram option in camera app

Change-Id: I93c999fa49ef400ba0259c65977ca191257dcbb9
serrano: Use qcom power HAL

Change-Id: I3edfee10aa3084494250146c215903daf282a36d
serrano: Enable and set values for cpu_boost interface

Change-Id: Ib4d0bb0887eabd6bcbde813b7d2e33e8aa9713bb
Merge branch 'cm-11.0' into kk_mkt