Cherry-pick 1.0.x release note to master

Change-Id: I679b3828651b64500f566273c7ea003c886eb31f
diff --git a/release/1.0.1.rst b/release/1.0.1.rst
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+.. SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
+.. SPDX-License-Identifier: Apache-2.0
+
+SD-Fabric 1.0.1
+===============
+
+This release fixes a few issues we discovered with SD-Fabric 1.0.0 release.
+
+Feature Highlights
+-------------------
+- Upgrade onos-classic helm chart to ``0.1.26``
+
+  - Address the log4j2 security issue reported in **CVE-2021-44228**
+
+- Upgrade stratum helm chart to ``0.1.18``
+
+  - Make chassis config part of the Helm value
+
+- Upgrade stratum image to ``stratum-bfrt: 21.12-9.5.0``
+
+  - Address the mastership election issue reported in SDFAB-812 and SDFAB-822
+
+Component Versions in the Release
+---------------------------------
+
+SD-Fabric ONOS image
+^^^^^^^^^^^^^^^^^^^^
+- `tost <https://registry.aetherproject.org/harbor/projects/4/repositories/tost>`_: ``registry.aetherproject.org/tost/tost:1.0.0``
+
+Sub-component versions:
+
+- `onos <https://github.com/opennetworkinglab/onos>`_: ``2.5.5-rc1``
+- `trellis-control <https://github.com/opennetworkinglab/trellis-control>`_: ``3.1.0``
+- `trellis-t3 <https://github.com/opennetworkinglab/trellis-t3>`_: ``4.0.0``
+- `fabric-tna <https://github.com/stratum/fabric-tna>`_: ``1.0.0``
+- `up4 <https://github.com/omec-project/up4>`_: ``1.0.0``
+
+Stratum image
+^^^^^^^^^^^^^
+- `stratum-bfrt <https://hub.docker.com/r/stratumproject/stratum-bfrt>`_: ``stratumproject/stratum-bfrt:21.12-9.5.0``
+
+DBUF image
+^^^^^^^^^^
+- `dbuf <https://github.com/omec-project/dbuf>`_: ``registry.aetherproject.org/tost/dbuf:1.0.0``
+
+PFCP Agent image
+^^^^^^^^^^^^^^^^
+- `pfcp-agent <https://github.com/omec-project/upf-epc/tree/master/pfcpiface>`_: ``omecproject/upf-epc-pfcpiface:master-fcdbc95``
+
+Helm Chart Versions
+-------------------
+- `sdfabric <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/sdfabric>`_: ``1.0.10``
+
+  - `onos-classic chart <https://github.com/onosproject/onos-helm-charts/tree/master/onos-classic>`_: ``0.1.26``
+  - `stratum chart <https://github.com/stratum/stratum-helm-charts/tree/master/stratum>`_: ``0.1.18``
+  - `pfcp-agent chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/pfcp-agent>`_: ``0.0.1``
+  - `dbuf chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/dbuf/>`_: ``0.0.1``
+  - `int-host-reporter chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/int-host-reporter>`_: ``0.0.1``