[VOL-5009] - Create a v2.12 release notes page.

overview/releases.rst
release_notes/index.rst
release_notes/voltha_2.12.rst
-----------------------------
  o Create a skeleton release notes area for v2.12

Change-Id: Ia74075131326e0254af236d9c9edbdf8f46fa430
diff --git a/makefiles/consts.mk b/makefiles/consts.mk
index bac4362..8961b3a 100644
--- a/makefiles/consts.mk
+++ b/makefiles/consts.mk
@@ -17,6 +17,9 @@
 # SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
+# https://gerrit.opencord.org/plugins/gitiles/onf-make
+# ONF.makefile.version = 1.0
+# -----------------------------------------------------------------------
 
 $(if $(DEBUG),$(warning ENTER))
 
@@ -24,17 +27,25 @@
 export dot          :=.
 export null         :=#
 export space        := $(null) $(null)
-export quote-single := $(null)"$(null)#"
-export quote-double := $(null)'$(null)#'
+export quote-single := $(null)'$(null)#'
+export quote-double := $(null)"$(null)#"
 
 # [DEBUG] make {target} HIDE=
-HIDE        ?= @
+HIDE           ?= @
 
 env-clean      ?= /usr/bin/env --ignore-environment
 xargs-n1       := xargs -0 -t -n1 --no-run-if-empty
 xargs-n1-clean := $(env-clean) $(xargs-n1)
 
 ## -----------------------------------------------------------------------
+## Intent: NOP command for targets whose dependencies do all heavy lifting
+## -----------------------------------------------------------------------
+## usage: foo bar tans
+## <tab>$(nop-command)
+## -----------------------------------------------------------------------
+nop-cmd        := :
+
+## -----------------------------------------------------------------------
 ## Default shell:
 ##   o set -e            enable error checking
 ##   o set -u            report undefined errors