msm: rotator: Enable support for 2-pass fast YUV mode

Add support for 2-pass rotator operation for downscaling
and 90 degree rotation when rotator operates in fast YUV
mode. 2-pass is supported for 420 H2V2 formats.

Change-Id: Ib8ce802a5a8aabe10c88422e3b8d82708c5b05d4
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>