Introduce some functions to write to the flowcontroller registers. The
flowcontroller controls CPU sleepstates and wakeup.
Signed-off-by: NPeter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: NStephen Warren <swarren@nvidia.com>
Tested-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NOlof Johansson <olof@lixom.net>