Add cinder metadata for memcache security strategy

PROD-22099

Change-Id: I36de03a2a32d94d7995018c1812a0eb841dc68c4
diff --git a/defaults/openstack/init.yml b/defaults/openstack/init.yml
index af2ba0c..49ad5c6 100644
--- a/defaults/openstack/init.yml
+++ b/defaults/openstack/init.yml
@@ -12,4 +12,6 @@
     # Neutron
     neutron_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
     neutron_memcache_secret_key: ''
-
+    # Cinder
+    cinder_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
+    cinder_memcache_secret_key: ''