gRPC migration update

Change-Id: Icdd1a824948fa994cd36bd121c962f5ecf74e3cf
diff --git a/Makefile b/Makefile
index 4f89b65..4e738ab 100644
--- a/Makefile
+++ b/Makefile
@@ -67,9 +67,9 @@
 ## Local Development Helpers
 local-lib-go:
 ifdef LOCAL_LIB_GO
-	rm -rf vendor/github.com/opencord/voltha-lib-go/v6/pkg
-	mkdir -p vendor/github.com/opencord/voltha-lib-go/v6/pkg
-	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v6/pkg/
+	rm -rf vendor/github.com/opencord/voltha-lib-go/v7/pkg
+	mkdir -p vendor/github.com/opencord/voltha-lib-go/v7/pkg
+	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v7/pkg/
 endif
 
 build: local-lib-go