Revert "msm: kgsl: Remove an uneeded register write for A3XX GPUs"

This reverts commit eccc59862b4d9545acf5f60c563cf4d28d6999f2.
Revert "msm: kgsl: Fix guilty context logic for GPU hangs"

This reverts commit 75333f3b7b569263f0fbc9650e7727921a732a5b.
Revert "msm: kgsl: Avoid NULL pointer in adreno setstate functions"

This reverts commit fcdcff24d94efd37824158e0b792f870191e974d.
Revert "msm: kgsl: Lower bounds check the number of power levels"

This reverts commit 4f8ade621b3699df295c3f5b271779ddf60421ee.
Revert "msm: kgsl: Add minimum amount of wait in adreno_waittimestamp"

This reverts commit ec72bb9869ebbc863cf4ca90850c5bdbf241ac43.