VOL-4836 - Cosmetic edits to trigger a jenkins job.

Makefile
makefiles/
   o Pass grep --no-filename to fix problem with Makefile printed by help.
   o Checkin makefile libraries for common constants and targets.

docker/
internal/pkg/
pkg/mocks/s
cmd/openolt-adapter/
--------------------
   o Update copyright notice to force a trivial source change.
   o Delta will initiate a jenkins job.

Change-Id: Ie6d522d52dc6353219d80e1cb04aa5cdcad8b6a6
diff --git a/makefiles/todo.mk b/makefiles/todo.mk
new file mode 100644
index 0000000..ac9231e
--- /dev/null
+++ b/makefiles/todo.mk
@@ -0,0 +1,40 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2023 Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help::
+	@echo "  todo                       Display future enhancement list"
+
+todo ::
+	@echo
+	@echo "[TODO: voltctl]"
+	@echo "  o vendor/ is under revision control."
+	@echo "    - go mod vendor will remove and recreate: invalid git state"
+	@echo "    - delete vendor/ checkin and/or clone from a central repository."
+	@echo "  o Review handling of targets clean and distclean:"
+	@echo "    - clean removes generated targets"
+	@echo "    - distclean/sterile should revert to a pristine checkout state"
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]