msm: Fix location to write dump table address in IMEM.

Enable dumping of memory in the event of a crash.
After a reset, IMEM location will hold address of dump table.

Change-Id: I060dbd91d334c4b6e69ec15a5f912510fd5d7378
Signed-off-by: Hanumant Singh <hanumant@codeaurora.org>