ARM: dts: msm: Add memory dump devices for QCS405

Add memory dump device to allocate and register various clients
with the memory dump driver. This also adds the required CMA
region for the memory dump driver. This is needed to collect
sub system information from different clients in case of dump.

Change-Id: I5fbac73f162d596e3bd3db85321a5b41934e486a
Signed-off-by: Archit Saxena <archsaxe@codeaurora.org>