Add S(IO) Plus Scheduler

Change-Id: I805330ee01902957aa8be1edbf5013656f1aa610
Add ZEN Scheduler

Change-Id: I85d6b3505afae09a1c9f43bcfc2e086e8aaff223
Add ROW Scheduler

Change-Id: I9d32b2f606b513d75846ad788c4307081bf34f61
arm/vfp: Makefile optimization
power/main: Get rid of DVFS limit

Signed-off-by: cocafe <cocafehj@gmail.com>
defconfig: add SIO+ , ROW and ZEN Scheduler

Change-Id: I50d8a4a9a07d2d53dadf40119f7dcf27683628ef