cpufreq: Add Exynos 5410 voltage control

Conflicts:
	drivers/cpufreq/exynos-ikcs-cpufreq.c

Change-Id: I2bbadc40bb00862791a28e86affabbb1ffef9390
Signed-off-by: Andrei F <luxneb@gmail.com>
Merge "cpufreq: Add Exynos 5410 voltage control" into kitkat