ARM: dts: msm: Add panel dimension details for JDI 1080p panel

Explicitly setting the physical dimensions of the panel helps
in correctly computing the DPI (dots per inch) settings. Add
this information for the JDI 1080p panel based on the data
provided in the panel specification.

Change-Id: I2c4dde3c8c9a9ccef9325503cf8f9072bdfc0503
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>