ARM: dts: msm: add support for wvga command mode panel

This code change adds support for truly wvga mipi
command mode panel in mdp3 driver for 8909 CDP.

Change-Id: I5dafb29d1bf3b0d00956b88905fc48c9389757d1
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>