Added Custom Voltage version 3.

Signed-off-by: Dan Trifan <jimsth@gmail.com>

Conflicts:
	arch/arm/mach-omap2/dvfs.c
	arch/arm/mach-omap2/omap2plus-cpufreq.c

Conflicts:
	arch/arm/mach-omap2/omap2plus-cpufreq.c
	drivers/misc/Makefile