Update repository to use repo:onf-make/makefiles

.gitmodules
Makefile
config.mk -> lf/config.mk
lf/include.mk
lf/local/include.mk
lf/onf-make
makefiles/README.md
-------------------------
  o Initial staging to remove per-repository makefiles/ directory.
  o Add repo:onf-make as a git submodule.
  o lf/include.mk is central access for loading all library logic.
  o lf/local/ replaces $(sandbox-root)/makefiles.

*.groovy, *.sh, *.yaml
----------------------
  o Include source edits to force pipeline to rebuild.
  o Added SPDX copyright notice tokens.

Change-Id: Ia6b95880e720956d01af2c5966f7ae5d0f4c13b1
diff --git a/lf/local/include.mk b/lf/local/include.mk
new file mode 100644
index 0000000..1a9e5b3
--- /dev/null
+++ b/lf/local/include.mk
@@ -0,0 +1,37 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2024 Open Networking Foundation Contributors
+#
+# 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: 2017-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+##-------------------##
+##---]  GLOBALS  [---##
+##-------------------##
+
+#--------------------##
+##---]  INCLUDES  [---##
+##--------------------##
+
+##-------------------##
+##---]  TARGETS  [---##
+##-------------------##
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]