Add ability to add linux network interface into OVS dpdk bridge

Change-Id: I1c78c9ccbc14cefff8226db50258b56a713abfd5
Related-Prod: PROD-18111
diff --git a/README.rst b/README.rst
index ed21934..7853293 100644
--- a/README.rst
+++ b/README.rst
@@ -1496,6 +1496,25 @@
             tag: 101
             mtu: 9000
 
+
+
+**DPDK OVS bridge with Linux network interface**
+
+.. code-block:: yaml
+
+    linux:
+      network:
+        ...
+        interface:
+          eth0:
+            type: eth
+            ovs_bridge: br-prv
+            ...
+          br-prv:
+            enabled: true
+            type: dpdk_ovs_bridge
+            ...
+
 Linux storage
 -------------