Revert "cpufreq: comment cpu.h library for pegasusq"

This reverts commit 7d94b911031aac0bfe8a2e532676ae85b3fa7a6b.
Revert "Add PegasusQ governor"

This reverts commit 50595ef0d28276b6ef0689c57c0e241a4295e143.
change compiler in build file

Signed-off-by: Muhammad Najmi Ahmad Zabidi <najmi.zabidi@gmail.com>