Revert "devfreq: Re-enable simple_ondemand.   Also fix simple_ondemand crashing from GuneetAtwal"

This reverts commit f1afd8a8af86ba65b96521179b1644f46a414b2f.
Revert "Revert "PM: devfreq: Fix simple_ondemand crashing and update to the latest version""

This reverts commit d1fcad65dc23b3686cab224125f80912d09647d4.
Revert "devfreq: simple_ondemand - update to latest version"

This reverts commit 46053017b11bdc5378f0c7f55b96c3e2197007e8.