ARM: dts: msm: Add system cache dump table entry for msmskunk

Dump system cache as part of memory dump table to analyze issues related
to memory corruption.

Change-Id: I8a371bba717b6a7d1dac8bde0948bca3cd50a2b6
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>