[VOL-5032] - Build and deploy voltha-system-tests for v2.12

VERSION
=======
  o Bump version string to initiate a triage build for release.

makefiles/
==========
  o https://github.com/opencord/onf-make
  o Update to the latest version of onf-make library makefiles
    to enable additional linting targets.

Change-Id: I4cdc959d616174573014bd6343825492b01e456b
diff --git a/makefiles/lint/doc8/include.mk b/makefiles/lint/doc8/include.mk
new file mode 100644
index 0000000..fab34c9
--- /dev/null
+++ b/makefiles/lint/doc8/include.mk
@@ -0,0 +1,64 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2022 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.
+# -----------------------------------------------------------------------
+
+##-------------------##
+##---]  GLOBALS  [---##
+##-------------------##
+.PHONY: lint-doc8 lint-doc8-all lint-doc8-modified
+
+have-doc8-files := $(if $(strip $(DOC8_SOURCE)),true)
+DOC8_SOURCE     ?= $(error DOC8_SOURCE= is required)
+
+##--------------------##
+##---]  INCLUDES  [---##
+##--------------------##
+# include $(ONF_MAKEDIR)/lint/doc8/help.mk
+include $(ONF_MAKEDIR)/lint/doc8/install.mk
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+ifndef NO-LINT-DOC8
+  lint-doc8-mode := $(if $(have-doc8-files),modified,all)
+  lint : lint-doc8-$(lint-doc8-mode)
+endif# NO-LINT-DOC8
+
+# Consistent targets across lint makefiles
+lint-doc8-all      : lint-doc8
+lint-doc8-modified : lint-doc8
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+lint-doc8-excl := $(foreach dir,$(onf-excl-dirs),--ignore-path "$(dir)")
+lint-doc8: lint-doc8-cmd-version
+
+	$(call banner-enter,Target $@)
+	$(activate) && doc8 --version
+	@echo
+	$(activate) && doc8 $(lint-doc8-excl)
+	$(call banner-leave,Target $@)
+
+## -----------------------------------------------------------------------
+## Intent: Display command usage
+## -----------------------------------------------------------------------
+help::
+	@echo '  lint-doc8          Syntax check python using the doc8 command'
+  ifdef VERBOSE
+	@echo '  lint-doc8-all       doc8 checking: exhaustive'
+	@echo '  lint-doc8-modified  doc8 checking: only modified'
+  endif
+
+# [EOF]