[VOL-5321] - Add repo:onf-make as a git submodule.

Makefile
lf/transition.mk
----------------
  o Add bridge logic to conditionally load legacy makefiles or repo:onf-make.
  o transition.mk allows logic to gradually be replaced.
  o makefiles/ directory can eventually be removed after all
    dependencies on local makefile logic have been removed.

makefiles/
----------
  o Replace make var(s) ONF_MAKEDIR= and ONF_MAKE= with var legacy-mk=.

makefiles/commands/include.mk
makefiles/commands/kail/godownloader.sh
---------------------------------------
  o Replace loading legacy kail logic with library makefiles.
  o Git submodule scripts contain linting cleanup for scripts.

Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
Change-Id: I152251039fc3b330ed1a6729922e465c53d00879
diff --git a/makefiles/lint/include.mk.bk b/makefiles/lint/include.mk.bk
index dbc2e8b..709c32a 100644
--- a/makefiles/lint/include.mk.bk
+++ b/makefiles/lint/include.mk.bk
@@ -9,14 +9,14 @@
 	@echo
 	@echo "[LINT]"
 
-include $(ONF_MAKE)/lint/makefile.mk
-include $(ONF_MAKE)/lint/python.mk
-include $(ONF_MAKE)/lint/shell.mk
+include $(legacy-mk)/lint/makefile.mk
+include $(legacy-mk)/lint/python.mk
+include $(legacy-mk)/lint/shell.mk
 
 ifdef YAML_FILES
-  include $(ONF_MAKE)/lint/yaml/python.mk
+  include $(legacy-mk)/lint/yaml/python.mk
 else
-  include $(ONF_MAKE)/lint/yaml/yamllint.mk
+  include $(legacy-mk)/lint/yaml/yamllint.mk
 endif
 
 $(if $(DEBUG),$(warning LEAVE))