add more cpufreq steps
Revert "add more cpufreq steps"

This reverts commit 70d5cb8ba260406869b7cb72d0977838980debc0.
add simple gpu scheduler
add Simple Gov to Kconfig
KGSL: make simple govenor a selectable option, co-exist with ondemand

also removed some hardcoded values

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	drivers/gpu/msm/kgsl_pwrscale_trustzone.c
revert add simple gov
Revert "add Simple Gov to Kconfig"

This reverts commit c879c6094717908bec3bc300cb30daa5e2ea0992.