Add release notes for SD-Fabric 1.1.1

Change-Id: I2a9a92ed58a188313baa0f3529f80396d4b6f73a
diff --git a/release/1.1.0.rst b/release/1.1.0.rst
index 093e851..6df4265 100644
--- a/release/1.1.0.rst
+++ b/release/1.1.0.rst
@@ -251,5 +251,14 @@
 
 - `bess-upf chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/bess-upf>`_: ``0.0.5``
 
+Patches
+-------
+
+.. toctree::
+   :maxdepth: 2
+   :glob:
+
+   1.1.1
+
 .. |reg|    unicode:: U+000AE .. REGISTERED SIGN
 .. |tm|     unicode:: U+2122 .. TRADE MARK SIGN