Update memcached listeners on tcp/udp ports

Allows to manage tcp/udp listeners

Change-Id: Ic9e75daf07f7763f35e07455b8a8071b463eacdc
Related-Prod: PROD-23621
diff --git a/README.rst b/README.rst
index f1c72c0..93f01ef 100644
--- a/README.rst
+++ b/README.rst
@@ -22,6 +22,33 @@
           port: 11211
           protocol: tcp
 
+Enable/Disable tcp/udp listener
+===============================
+
+.. code-block:: yaml
+
+    memcached:
+      server:
+        enabled: true
+        cache_size: 64
+        slabsize: 2m
+        threads: 1
+        bind:
+          address: 0.0.0.0
+          port: 11211
+          proto:
+            tcp:
+              enabled: True
+            udp:
+              enabled: True
+======
+ Note:
+======
+ The following pillar option is deprecated and does not affect any functionality:
+================================================================================
+.. code-block:: yaml
+       bind:
+         protocol: tcp
 
 References
 ==========