[VOL-5031] Build and deploy voltha-onos for v2.12

makefiles/*
-----------
  o https://github.com/opencord/onf-make
  o Update to the latest library makefiles to support more lint targets.

VERSION
-------
  o Cosmetic dev version bump to triage build state.

Change-Id: Iaddd825c24afdfa13e99cfd46cfe887072016d0f
diff --git a/makefiles/utils/test/makefile b/makefiles/utils/test/makefile
new file mode 100644
index 0000000..a148cfa
--- /dev/null
+++ b/makefiles/utils/test/makefile
@@ -0,0 +1,9 @@
+# -*- makefile -*-
+
+include ../include.mk
+
+all:
+
+test ::
+	@echo "Testing if-not"
+	@echo $(call if-not,$(null),true,false)