added initial patches for GammaControl (currently not working) [thanks to @nikhiljan93]

Conflicts:
	arch/arm/configs/yuga_defconfig
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/Makefile

Change-Id: Ib6974dda6e27da866dbd592bb5977bf48468f32c
some more fixes for gamma control

decouple this from LGE

Conflicts:
	arch/arm/configs/yuga_defconfig
	arch/arm/mach-msm/Makefile

Change-Id: I6483b7579e7b90a08f06185f93dd2f8ab27243db