ARM: dts: sa8195-capture: Add dt nodes for msm-restart driver

Add dt nodes required for msm_restart driver to capture kernel. This
enables kdump to take ramdump/minidump from capture kernel.

Change-Id: I279d4269c4316c67278867324def6cefe9b4c0ce
Signed-off-by: Akshay Adiga <aadiga@codeaurora.org>