rpm: enable DTLS in RPM build

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10729 ddefafc4-47db-0310-ae44-fa13212b10f2
rpm: enable support for repro DSO plugins

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10730 ddefafc4-47db-0310-ae44-fa13212b10f2