Revert "msm_fb: Fix color format mapping between V4L2 and MDP"

This reverts commit 15250c2df2e3800cde74713418d0ec1b4bdfb99c.
Revert "msm: msm_fb: Fix Regressions because of overmap changes."

This reverts commit 7ab8bf0471530f0aa07544bd045cbfdcf0abc884.
Revert "msm_fb: display: update video tile framesize register"

This reverts commit de423e27efea654187d364d12eb078ab1028503e.
Revert "msm_fb: display: Program TILE video frame size in dma ISR"

This reverts commit 789ca1c4037400e82ae2f8db0ca7d88fa72a1f70.
Revert "msm: fb: Fix security bugs in msmfb_notify_update & msm_fb_ioctl"

This reverts commit 4cc2c4d4038ffcca45e45334d106fe8d3ef0cbe3.
Revert "msm: msm_fb: Do not use ION_IOMMU_UNMAP_DELAYED flag."

This reverts commit e910f52e287fb4f3d5e6f475788280af865398ba.
Revert "msm: msm_fb: Map RGB layers to the max possible size."

This reverts commit 2508cd3ecbe907f47c4c8eeacc7c6d4b5eb246db.