cpufreq: add Dynamic governor

for details see
https://github.com/mkaluza/project-zen/wiki/Dynamic-governor
LiveOPP: change default ape/ddr levels
LiveOPP: add Varm calculation based on AVS data

inspired by https://github.com/cocafe/i9070_kernel_CoCore-E/commit/bc33be2e922221b62bb624e6af77345857f5d0cb