pyramid: enable conservative and lazy CPU governors

Change-Id: Ifb340acd0ecefab7bbf7adfe2a5bbfe393da25fe
Only switch to PM_FAST when screen is off

This reverts commit 17f33ba5cf559b06a2607c343547934515241b85.
Merge pull request #3 from Team-Hydra/cm-10.1

Cm 10.1