Set prometheus-relay,telegraf images tags to mcp version

Change-Id: I09f918b1f195fcab07a3c4d94dc405346bb1dab2
Related-PROD: PROD-32579
Related-PROD: PROD-34272
Related-PROD: PROD-34885
diff --git a/defaults/docker_images.yml b/defaults/docker_images.yml
index 7ef537a..e112df0 100644
--- a/defaults/docker_images.yml
+++ b/defaults/docker_images.yml
@@ -124,13 +124,13 @@
           name: sf-reporter:2019.2.9
         - registry: ${_param:mcp_docker_registry}/openstack-docker
           target_registry: ${_param:default_local_mirrror_content:docker_client_registry_target_registry}/openstack-docker
-          name: telegraf:2019.2.5
+          name: telegraf:${_param:mcp_version}
         - registry: ${_param:mcp_docker_registry}/openstack-docker
           target_registry: ${_param:default_local_mirrror_content:docker_client_registry_target_registry}/openstack-docker
           name: remote_storage_adapter:${_param:mcp_version}
         - registry: ${_param:mcp_docker_registry}/openstack-docker
           target_registry: ${_param:default_local_mirrror_content:docker_client_registry_target_registry}/openstack-docker
-          name: prometheus-relay:2019.2.5
+          name: prometheus-relay:${_param:mcp_version}
         - registry: ${_param:mcp_docker_registry}/openstack-docker
           target_registry: ${_param:default_local_mirrror_content:docker_client_registry_target_registry}/openstack-docker
           name: grafana:${_param:mcp_version}