drm/msm/sde: fix color component order for 3 planar formats

Fix the color component order for YUV and YVU 420 3 plane
formats which were incorrectly swapped such that the Y and
color planes were interchanged.

CRs-Fixed: 2005386
Change-Id: I152ad476a71b2ae8b1aeb3bfcb3d492e925713f5
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>