drm/msm/sde: Add support for dspp igc feature

Change adds the LutDMA based igc feature support
to color processing module present in CRTC.
Change also adds multiple opcode support in single
command descriptor for LutDMA.

Change-Id: I87e43ce82b9b33a29d30bef7f3187d3df36e6e9e
Signed-off-by: Rajesh Yadav <ryadav@codeaurora.org>