Revert "msm8974pro: gpu: start gpu at 200Mhz at boot"

This reverts commit cc9eb427f7004eb424a410ff8974c6ee6333dc18.
Revert "msm8974: oppo: Enable display partial update feature"

This reverts commit 18c2113eb2095090204d478d6a0b1a818aa18f3c.
Revert "video: mdss: Set initial backlight after first frame done"

This reverts commit e1f2972f803f8db921db61c96993a7b3bd26e64a.
Revert "video: mdss: Improve sysfs controls and Truly panel support"

This reverts commit 6da5ae60d11e32044a1f9f9cc055bb70bc070db3.