Added SmartassH3 CPU Governor

 - new governor based on SmartassV2 containing CPU freq. scaling tweaks by H3ROS
 - should bring better battery life maintaining performance
Fix netfilter
 msm: rotator: add downscale support in rotator

  Rotator is capable of performing 1/2, 1/4 and 1/8 down scaling. Add
  downscale_ratio parameter to provide support for this feature.