msm: clock-krait-8974: User voltage control for msm-cpufreq device

Signed-off-by: flar2 <asegaert@gmail.com>
Command line CPU Voltage and Frequency Control

Conflicts:
	arch/arm/configs/mecul_defconfig
setup dtb overclocking
up arg_cpu_oc&arg_vdd_uv  to module params
apply arg_vdd_uv to all voltage table
arg_vdd_uv get value mA
rework cmd params and module attr arg_vdd_uv, arg_cpu_oc
added edp_limit user control

Conflicts:
	arch/arm/configs/mecul_defconfig
work around edp_limit
fix small error