cpufreq: force cpu1 policy to match cpu0 when changing freq

 * Thanks to InstigatorX for the initial implementation

Change-Id: I7fa2d531ebb671413de909ccade50f51e6158255
Voltage Control: initial voltage control for MSM S4-Pro SOC

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

Conflicts:
	arch/arm/mach-msm/Kconfig

Conflicts:
	arch/arm/mach-msm/Kconfig
Voltage Control: add sysfs interface

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

Conflicts:
	drivers/cpufreq/cpufreq.c