ARM: dts: msm: Move cache, TLB dump tables to mem dump driver for SDM660

Currently cpu cache and tlb dump tables are getting
allocated from cpuss dump driver. Unify all the dump
table allocations and move cpu cache dump table entries
to memory dump driver.
Currently cpu context and cpu scan dump entries are
getting added from watchdog driver. As part of
unification support for the mem-dump table entries, move
cpu context and scan dumps entries to mem-dump node for
sdm660 target.

Change-Id: I91eee70ae02b537ca5480fa4ec9baf1872621e86