disp: msm: sde: Add SSPP Gamut support using new opcode

A new LUTDMA opcode is added to LUTDMA V2 to speed up certain LUT
programming. This change updates the SSPP Gamut LUT programming using
the new opcode and new LUT BUS.

Change-Id: I8b88483dc3acbfcdbd6f441bc2105f4368fa42bb
Signed-off-by: Ping Li <pingli@codeaurora.org>
Signed-off-by: Christopher Braga <cbraga@codeaurora.org>