msm_fb: display: fix incorrect MDP formats components unpack pattern

Many of MDP input formats don't have correct unpack pattern, so image
displayed on screen is not in the actual format set.

CRs-fixed: 339114,337040
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>
(cherry picked from commit c5638f898324df37e40e402d208b0e97337d536b)

Change-Id: I66a404db039502d0511cd3d7dc34e81c0eca1d61
Signed-off-by: Gopal G Goberu <ggober@codeaurora.org>
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>