Add GPU voltage control

Conflicts:
	arch/arm/configs/flo_defconfig
	arch/arm/mach-msm/Kconfig
	drivers/cpufreq/cpufreq.c

Change-Id: I85b38112d764cf16d44edac5fbcfe9dd96b86a31
Signed-off-by: Tk-Glitch <Ti3noU@gmail.com>