Revert "msm_fb: fix backlight not turning after sleep"

This reverts commit c368e8334c936842d8a69f03cb00315d6e2954fb.
Revert "video: msm_fb: Ensure backlight is scaled atomically"

This reverts commit 5efdbf5b5b308a18d80ff6eae6d391c3a620f0e3.

Conflicts:
	drivers/video/msm/msm_fb.c
Revert "video: msm: Add user-defined backlight scaling"

This reverts commit 3c12fb01bb6581d68f75dfd559fd92ad42837685.

Conflicts:
	drivers/video/msm/msm_fb.c
	include/linux/msm_mdp.h
Revert "msm_fb: display: Add backlight with first pan display after resume"

This reverts commit 6a75b86e9f0707f46f0fd161481da25235bd037c.

Conflicts:
	drivers/video/msm/mipi_novatek.c
	drivers/video/msm/msm_fb.c
fix errors