Add memcached server bind section

Related-Prod: PROD-25060

Change-Id: I0cf7ff1f7c34052de26c07fa20185627b718eb59
diff --git a/memcached/server/single.yml b/memcached/server/single.yml
index 8e7d25b..fabef56 100644
--- a/memcached/server/single.yml
+++ b/memcached/server/single.yml
@@ -3,8 +3,9 @@
 parameters:
   memcached:
     server:
-      proto:
-        tcp:
-          enabled: ${_param:openstack_memcached_proto_tcp_enabled}
-        udp:
-          enabled: ${_param:openstack_memcached_proto_udp_enabled}
+      bind:
+        proto:
+          tcp:
+            enabled: ${_param:openstack_memcached_proto_tcp_enabled}
+          udp:
+            enabled: ${_param:openstack_memcached_proto_udp_enabled}