ARM: dts: msm: 8092: display: add dts file for mdss

Add HW configuration for display controller, MDSS, and HDMI_TX
core for mpq8092. Display controller along with HDMI_TX core is
responsible for driver context to external sinks like TVs,
display monitors etc.

Change-Id: I103a47fb9b9062b1c40ae36413258b69f1340aa3
Signed-off-by: Zohaib Alam <zalam@codeaurora.org>
Signed-off-by: Kalyan Thota <kalyant@codeaurora.org>