ANDROID: Fix suspicious RCU usage warning

The hooks added in the suspend path can be called in a
state where RCU locking is not safe. Change the hooks
to restricted hooks which are safe in this context.

Bug: 232468327
Fixes: ace93ca5 ("ANDROID: GKI: psci: add hook to check if cpu is allowed to power off")
Signed-off-by: Todd Kjos <tkjos@google.com>
Change-Id: I5b887d34ca05e995030ef0c8f39488d932c52770