Voltage Control: add sysfs interface

Signed-off-by: faux123 <reioux@gmail.com>
cpufreq: enable sibling cpu policy sharing

disable Qualcomm's cpu policy restore (conflicts with sibling sharing)

Signed-off-by: Paul Reioux <reioux@gmail.com>
Voltage Control: initial voltage control for MSM S4-Pro SOC

Signed-off-by: faux123 <reioux@gmail.com>

Conflicts:

	arch/arm/mach-msm/Kconfig