msm: adsp-8974: adsp restart driver changes for SOC reset

Added WDOG interrupt handler for SOC reset on WDOG bite. On WDOG bite
kernel panic is called.
Also added new start address and length of memory segment which is
used by adsp dump ram utility to dump ram content on crash.

Change-Id: I3c24ec33559bd4c5fa70302dc6d32999960a14ec
Signed-off-by: Ravishankar Sarawadi <crsaraw@codeaurora.org>