Edits needed for repo:voltha-docs use.

Support a named makefile target for license checking.

makefiles/lint/license/include.mk
makefiles/lint/license/reuse.mk
makefiles/lint/license/help.mk
makefiles/lint/license/install.mk
---------------------------------
  o Add reuse/license checking makefile targets.
  o repo:voltha-docs jobs perform compliance testing.

Change-Id: Ibb4a30a4b18017a8ff15cdd2bb92d1dc357a5de4
diff --git a/makefiles/lint/license/reuse.mk b/makefiles/lint/license/reuse.mk
index 5572bef..408a329 100644
--- a/makefiles/lint/license/reuse.mk
+++ b/makefiles/lint/license/reuse.mk
@@ -23,19 +23,17 @@
 ##---]  TARGETS  [---##
 ##-------------------##
 ifndef NO-LINT-REUSE
-  lint : lint-license
+  lint : lint-reuse
 endif
 
+lint-reuse-all : lint-reuse
+lint-reuse-mod : lint-reuse
+lint-reuse-src : lint-reuse
+
 ## -----------------------------------------------------------------------
 ## Intent: Perform a lint check on makefile sources
 ## -----------------------------------------------------------------------
-lint-license:
+lint-reuse:
 	reuse --root . lint
 
-## -----------------------------------------------------------------------
-## Intent: Display command help
-## -----------------------------------------------------------------------
-help-summary ::
-	@echo '  lint-reuse              License syntax checking"
-
 # [EOF]