VOL-2189 Fix incorrect module name

Change-Id: Ibae4bbca4f80de78210bcfc3096e4f9031915574
diff --git a/go.mod b/go.mod
index 8fb2ecc..7e93bc1 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/opencord/voltha-protos
+module github.com/opencord/voltha-protos/v2
 
 go 1.12