DRM: SDE: Update Color API implementation

Update global PA implementation base on newer kernel revision. Hue,
Saturation, Black/White, Contrast is now go through one internal
API call instead of separate calls.

Change-Id: I9e056f4d68b29bf246c8414e6dff8032f6f9b6c9
Signed-off-by: Camus Wong <camusw@codeaurora.org>