linux-imx

sh: cpuidle: Migrate off of hwblk API.

Now that the hwblk API is unused and going away, migrate cpuidle off of
it. This is a pretty straightforward migration given that we weren't
really making use of the allowed mode overloading in the first place, so
simply default to regular sleep mode.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>