Revert "GPU O/C"

This reverts commit fa66357308b83e2bafd3490a6837e4289def8d62.
Revert "GPU Overclock: GPU overclocking to 487.5 MHz with 5 Steps (400Mhz"

This reverts commit 5578f4b361af11be5b72663788d255fbb3bca109.
cgroups: timer_slack: forward port timer_slack to 3.4. http://lwn.net/Articles/431847/

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
kernel: cgroup_timer_slack: Adaptations for 3.4 kernel

Signed-off-by: Cristoforo Cataldo <cristoforo.cataldo@gmail.com>
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
config:Timer_slack