Change domain from opencord.org to lfbroadband.org

We have moved all sites from the opencord.org domain to
lfbroadband.org (except wiki/Jira, which are now hosted on Atlassian
Cloud).

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I9624ae92e9c193fa2d2fac9ab30ad108a812306e
diff --git a/howto/code/voltha-protos.rst b/howto/code/voltha-protos.rst
index 17aca59..7341f2c 100644
--- a/howto/code/voltha-protos.rst
+++ b/howto/code/voltha-protos.rst
@@ -3,7 +3,7 @@
 Modifying repository voltha-protos
 ==================================
 
-#. Clone repository `voltha-protos <https://gerrit.opencord.org/plugins/gitiles/voltha-protos/+/refs/heads/master>`_
+#. Clone repository `voltha-protos <https://gerrit.lfbroadband.org/plugins/gitiles/voltha-protos/+/refs/heads/master>`_
 #. Modify structures, sources & makefiles as needed.
 #. Build, test and lint locally to validate sources.
 #. Commit changes, code review, jenins build and deploy.
@@ -14,7 +14,7 @@
 
 .. code:: bash
 
-    git clone ssh://gerrit.opencord.org:29418/voltha-protos.git
+    git clone ssh://gerrit.lfbroadband.org:29418/voltha-protos.git
     cd voltha-protos
     vi ...
 
@@ -54,23 +54,23 @@
    * - Repository
      - File(s) to edit
    * - bbsim
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/bbsim/+/refs/heads/master/go.mod>`_
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/bbsim/+/refs/heads/master/go.mod>`_
    * - ofagent-go
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/ofagent-go/+/refs/heads/master/go.mod>`__
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/ofagent-go/+/refs/heads/master/go.mod>`__
    * - voltctl
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/voltctl/+/refs/heads/master/go.mod>`__
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/voltctl/+/refs/heads/master/go.mod>`__
    * - voltha-go
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/voltha-go/+/refs/heads/master/go.mod>`__
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/voltha-go/+/refs/heads/master/go.mod>`__
    * - voltha-go-controller
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/voltha-go-controller/+/refs/heads/master/go.mod>`__
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/voltha-go-controller/+/refs/heads/master/go.mod>`__
    * - voltha-lib-go
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/voltha-lib-go/+/refs/heads/master/go.mod>`__
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/voltha-lib-go/+/refs/heads/master/go.mod>`__
    * - voltha-openolt-adapter
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/voltha-openolt-adapter/+/refs/heads/master/go.mod>`__
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/voltha-openolt-adapter/+/refs/heads/master/go.mod>`__
    * - voltha-openonu-adapter-go
-     - `go.mod <https://gerrit.opencord.org/plugins/gitiles/voltha-openonu-adapter-go/+/refs/heads/master/go.mod>`__
+     - `go.mod <https://gerrit.lfbroadband.org/plugins/gitiles/voltha-openonu-adapter-go/+/refs/heads/master/go.mod>`__
    * - voltha-system-tests
-     - `requirements.txt <https://gerrit.opencord.org/plugins/gitiles/voltha-system-tests/+/refs/heads/master/requirements.txt>`_ (virtualenv/testing)
+     - `requirements.txt <https://gerrit.lfbroadband.org/plugins/gitiles/voltha-system-tests/+/refs/heads/master/requirements.txt>`_ (virtualenv/testing)
 
 .. list-table:: Foreach external repository
    :widths: 30, 80