Set function pointer for SCS peer lookup and rule handler.
Add a new module id for SCS.
SCS database maintained in dp_peer structure is redundant as
same info is maintained in control peer. Therefore remove
SCS database from dp_peer structure and also remove APIs
which access/update this database.
Change-Id: I951f12de487a4be3ae169d1e309352e4e5031fc9
CRs-Fixed: 3226693
81d963fc50