cpufreq: Unified governor/scaling switching (squashed commits)

cpufreq: unified governor and scaling min and max switching governor scaling_min_freq and scaling_max_freq will be populated to all online cpus immediately

cpufreq: unified governor and scaling min and max switching use related_cpus to apply correctly to new online cpus

cpufreq: block hotplugging during multi-cpu operations

cpufreq: dont apply multi-cpu values if not changed

Change-Id: I199d47409d1ed15bbf9e4856d528344560c6f092
drivers: prima: update prima driver (f129749ab in kk_2.7_rb1.41)

Change-Id: Ic4e35d87835045c72aae97d69c2a11ed210066c2
Merge pull request #6 from omnirom/android-4.4

merge latest omni source
Merge pull request #6 from walter79/android-4.4

Android 4.4