ARM: dts: msm: Add cmd mode panel support for SDM660 MTP

Add the panel dtsi file for command mode panel used with
SDM660 MTP. This is a snapshot of dtsi file as of msm-4.4
'commit 97e3c0fc376b6194 (" ARM: dts: msm: add panel
 physical dimensions for truly panel").

Change-Id: I638d09e1f631b059f18a014b66bcdc6b9876de26
Signed-off-by: Nirmal Abraham <nabrah@codeaurora.org>