Display Gamma: Trial 1

Change-Id: Id12c628e6eaacb05aa1d7af9a658da6edde8cdc8
Gamma Control: Final bolts

Conflicts:
	arch/arm/mach-msm/Makefile

Change-Id: I6add36a2621e989226dcc21098dd63cf220931cf
Update defconfig for kcal control

Change-Id: I3123021a35e2e3b0e49b5fff96d3698f1452f29d