ARM: dts: msm: Add support for JDI Dual DSI QHD cmd mode panel

Currently, only JDI Dual DSI panel is supported in video mode.
Add support for the panel to operate in command mode as well.
This can be enabled using the fastboot parameter as well.

Change-Id: Ie52243a4a83af38a09b9677601358301241eab2d
Signed-off-by: Siddhartha Agrawal <agrawals@codeaurora.org>