IVA Overclock, CPU/GPU OC optimizations

Change-Id: I8f72bdd9712a0c0c77e2a19e3288963772978529

Conflicts:
	arch/arm/configs/cyanogenmod_p760_defconfig
	arch/arm/mach-omap2/Kconfig
	arch/arm/mach-omap2/omap2plus-cpufreq.c
	arch/arm/mach-omap2/opp4xxx_data.c
IVA Overclock, CPU/GPU OC optimization