Add governors, ioschedulers, and define cputime64_sub
Add actual governors and ioschedulers.
Add build files and fix error with vr scheduler
'cpufreq init_done' extern DEFINE_PER_CPU(int, cpufreq init_done);
Add build files and fix error because of missing cpufreq_governor.h file
frandom:  Added to build
add build files
Revert "frandom:  Added to build"

This reverts commit ac200bbabac11a334772a2db6d338d18f4aa3060.
building