Low CPU Clocks: Allow ultra low CPU frequencies for better battery performance

while screen is on or background operations like audio books and music

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

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/acpuclock-krait.c
cpufreq: allow for low CPU clock policy when hotplugging new cores

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

Conflicts:
	arch/arm/mach-msm/cpufreq.c
CPU: Preparing for CPU OC