msm: rotator: Support Fast YUV for 8960, 8064 and 8x30 targets.

Add Fast YUV support in rotator for 8960, 8064 and 8x30 based
targets to improve performance for YUV 420P and 420PP inputs.

CRs-fixed: 415246
Change-Id: Ib4cbbd0fd45a82b8d409e7f52ae8bf8420b2c4eb
Signed-off-by: Mayank Chopra <makchopra@codeaurora.org>

Conflicts:

	drivers/char/msm_rotator.c
msm: rotator: sync point support

Add MSM_ROTATOR_IOCTL_BUFFER_SYNC ioctl interface.
Rotator will create a timeline for each session at START, wait for
input fence and create released fence in this ioctl call,
signal the timeline after rotation is done.

Change-Id: I3738f8287d804ccd94e0a16ac0afb8b41b299c75
Signed-off-by: Ken Zhang <kenz@codeaurora.org>
msm: rotator: non-blocking rotate

Send request to a work queue and return right away.
Work queue will go through the commit queue to do the
rotation. wait_for_finish can be set to true to make
rotation go back to blocking.

Change-Id: Ifc2e36bd24d9681d42105f4ccbb62a8777af2a6c
Signed-off-by: Ken Zhang <kenz@codeaurora.org>

Conflicts:

	drivers/char/msm_rotator.c