[CORD-2796][CORD-3007] Adding RCORDService and validating OLTDevice name

Change-Id: I425b2d0ccb99f16e80d410fef49b1d3668d7e94b
diff --git a/xos/synchronizer/rcord_config.yaml b/xos/synchronizer/rcord_config.yaml
index 0527ca2..3775616 100644
--- a/xos/synchronizer/rcord_config.yaml
+++ b/xos/synchronizer/rcord_config.yaml
@@ -18,6 +18,9 @@
 accessor:
   username: xosadmin@opencord.org
   password: "@/opt/xos/services/rcord/credentials/xosadmin@opencord.org"
+required_models:
+  - RCORDService
+  - RCORDSubscriber
 dependency_graph: "/opt/xos/synchronizers/rcord/model-deps"
 sys_dir: "/opt/xos/synchronizers/rcord/sys"
 models_dir: "/opt/xos/synchronizers/rcord/models"