ARM: dts: msm: specify the panel ROI restrictions for NT35590 720p panel

For the NT35590 720p command mode panel, the left, right, width
and height ROI paramaters need to be aligned to 2. Add the DT
entry specifying these ROI alignment restrictions.

Change-Id: I8cce161a2fb5d229f7a6285a8266db60c15db88f
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>