Add FWaaS support

This adds all necessary FWaaS configuration for the Ocata version.
Both V1 and V2 versions can be enabled, however only V1 is operable
in this release.

PROD-13639
Change-Id: I432149c90011492c13b22813b96be65d84fa3229
diff --git a/README.rst b/README.rst
index 66b2299..e8ef14c 100644
--- a/README.rst
+++ b/README.rst
@@ -108,7 +108,21 @@
       lbaas:
         enabled: false
 
+
+Neutron FWaaSv1 enablement
+--------------------------
+
+.. code-block:: yaml
+
+  neutron:
+    fwaas:
+      enabled: true
+      version: ocata
+      api_version: v1
+
+
 Enable CORS parameters
+----------------------
 
 .. code-block:: yaml