GPU Overclocking to 487

Conflicts:
	arch/arm/configs/awifi-perf_defconfig
	arch/arm/mach-msm/Kconfig
drivers/video/msm: restore update_lcdc_lut capabilities for MDP devices
lge_kcal_ctrl: initial code for generic MSM LCD temperature calibrations
fix kcal implementation
Revert video: msm: Initialize HistLUT with last saved LUT
setup kcal