msm: soc: enable SSR and selective registration of services

During subsystem restart, all the clients registered to the
processor must be serviced. Services are originally registered
on the basis of domain. Taking this into account for proper
cleanup.
Registration of services should also happen on the basis of
destination processor.

Signed-off-by: Avinash Vaish <avaish@codeaurora.org>
Change-Id: Idc98122f7cf2279d5733e58479699ee5fc55ab5b