smp: Add SIRK verification callback

Don't bond with not valid CSIS devices if device was presented as member
of group by using matching RSI.

This part extends SMP module and related with callback to SIRK for
verification of potential members.

Tag: #feature
Bug: 278514112
Test: atest bluetooth_csis_test
Change-Id: If67b829b8dd1e5e4d2a9de08df92cff45b5c27f9