ARM: dts: msm: Add DT support for APQ8053 SOM based devices

Avoid code duplication by moving common code to parent dtsi file.
Also add some required nodes which were missed out earlier.

Change-Id: I19f942c528685ae2e081d884d0a71b8e5833fe74
Signed-off-by: Pranav Patel <pranavp@codeaurora.org>