msm: mdss: enable split display in mdp

Allow a second panel to be registered to a single frame buffer, the
image from frame buffer would then be displayed across the two panels.

Change-Id: I2bc78741ed8408bedfa563cd312c4e628045bfae
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
7 files changed