Revert "Asynchronous Fsync: initial extraction of Async Fsync from HTC"

This reverts commit 3e6dfee64f9be06d9df2e91ed14199ca58624f07.
Revert "gpu: make 200MHz step to default"

This reverts commit 73fb56773380c40fad116ed9c792732e071e3f37.
Revert "gpu: add 389mhz step"

This reverts commit 2746d5a00e066ea869a8598ad125d65b4146d679.