ARM: dts: msm: add memory dump v2 for msmcobalt

Enable memory dump v2 support for msmcobalt.

Clients can use memory dump table to pass allocated memory addresses for
storing system information at the time of crash.

Change-Id: I0769a61a6f9ae8ae9ed8538f5a9acd51437fe8b0
Signed-off-by: Shashank Mittal <mittals@codeaurora.org>