msm: fastcvpd: adding support for CDSP SSR handling

Adding support for CDSP SSR handling in fastcvpd. When CDSP SSR is
triggerred, fastcvpd driver will be notified by rpmsg in rpmsg_remove.
When rpmsg will probe fastcvpd, HFI command queue address needs to
be sent to CDSP again.

Change-Id: I21e3083760c748f84accea7940e0611053219c96
Acked-by: Abhikrant Sharma <abhikran@qti.qualcomm.com>
Signed-off-by: Suman Voora <sssanjee@codeaurora.org>