drm/msm/sde: Add LUT dma programming support for Qseed3

LUT dma provides faster interface to program the sde hardware registers
compared to serialized AHB path. Change adds support for LUT dma block
to support qseed3.

Change-Id: Id959eebe68677bd745913c8f3c71509fe9280379
Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org>