drm/msm/sde: change csc matrix coeff in h/w driver to s15.16

Actual register fixed point format should be encapsulated within h/w
layer, and not within the planes driver. Adopt a standard S15.16 fixed
point format between the h/w layer and planes.

Change-Id: I786a0c617a179d6d8405ef6cfeb0560eca324306
Signed-off-by: Clarence Ip <cip@codeaurora.org>
3 files changed