arararagi: Allow setting of gamma LUT from userspace.

Inspired by "livecolor" from kholk.

Conflicts:
	drivers/video/tegra/ssd2825/ssd2825_bridge.c
added smartmax gov

Conflicts:
	drivers/cpufreq/Makefile
tweaked smartmax gov

Conflicts:
	arch/arm/mach-tegra/tegra_pmqos.h
	drivers/cpufreq/cpufreq_smartmax_gov.c