[VOL-4992] - Add license file to voltha protos repo

LICENSE
-------
  o Testing Vinod(s) patch with latest makefile edits.
  o https://gerrit.opencord.org/c/voltha-protos/+/34180

Change-Id: Ib4985673d2b02b3101a859857e7ec6ce00bbda51
diff --git a/VERSION b/VERSION
index 6ffbe8b..426c1c1 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.4.3
+5.4.4