add needed QCOM if's
add hwcomp stuff
Revert "Remove remnants of HWC 0.x"

This reverts commit 71b9c1fab92727b1463226681d7bd61aac85291b.
power: Add POWER_HINT_CPU_BOOST

 * New hint to support CPU boosting with a duration.

Change-Id: I79b5a33814f2dbeaa033c950264d430876505175

Conflicts:
	include/hardware/power.h