[VOL-5026] (pre-)Build and deploy repo:voltha-go

Makefile
config.mk
makefiles/
makefiles/consts.mk
makefiles/include.mk
--------------------
  o Includee the latest onf-make library makefiles.
  o Define standard lint targets and docker arguments.
  o Behavior configured through config.mk in the sandbox root.

Change-Id: I2bbb74109d020ed12736bae0c35360bddf2cbe7f
diff --git a/makefiles/help/header.mk b/makefiles/help/header.mk
new file mode 100644
index 0000000..021ac0d
--- /dev/null
+++ b/makefiles/help/header.mk
@@ -0,0 +1,6 @@
+# -*- makefile -*-
+
+help :
+	@echo "Usage: make [options] [target] ..."
+	@echo "Targets:"
+	@echo "  help                        This message"