shooter: display: Clean up

credit: sultanxda
shooteru: Enable overlay0 writeback
video: msm: 8x60: seems like 8x60 mipi bus is lazy

we need to wait for it a bit longer to avoid glitches (thx u-ra for the find\!)

credit: Flemmard

10x:sultanxda
Revert "include: Update vidc headers from CM Samsung MSM8660 kernel (next branch)"

This reverts commit 2b72656497e88bd85521d200c3f9690e65bed894.