VOL-5239 - Fix latent linting failures

[VOL-5313] - Build timed out after 20 minutes, failing.

lf/include.mk
lf/local/include.mk
lf/onf-make/include.mk
----------------------
  o Add repo:onf-make as a git submodule beneath lf/.
  o Gain access to the latest make lint-{doc8,go,shell} targets.
  o Begin deprecating dependency on local makefiles/ directory.
  o Initially adding for interactive use.

Makefile
--------
  o Added temporary user conditional for repo:onf-make transition.
  o Intended for on-demand, interactive library loading.

Change-Id: Idd784956ff28a30dc29ff203af29453a38296b0e
Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
diff --git a/.gitmodules b/.gitmodules
index 0b23d6f..758cef6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "lf/onf-make"]
 	path = lf/onf-make
-	url = https://gerrit.opencord.org/onf-make
+	url = https://github.com/opencord/onf-make.git