msm: display: add MDP version support

Adds the MDP version to the respective board file. It will
be used to differentiate the MDP HW version dependant code
in MDP & MIPI DSI drivers. Right now it is added only for
the targets that support MIPI.

Change-Id: I5d7fc16dff0c5c31bb976ef61624ef410ade4aac
Signed-off-by: Nagamalleswararao Ganji <nganji@codeaurora.org>
msm: display: Add MDP version support for pecan

Change-Id: I91c7146675e6b568772b07597ca6b1a3a0dcb35a
Signed-off-by: RonGokhale <cips173@gmail.com>