[VOL-4289]  Proto changes for gRPC migration

Change-Id: I317a0a865ccf78d0c37aa229c50d293a3f66c8bb
diff --git a/protos/voltha_protos/ietf_interfaces.proto b/protos/voltha_protos/ietf_interfaces.proto
old mode 100644
new mode 100755
index efe3f94..89f59b9
--- a/protos/voltha_protos/ietf_interfaces.proto
+++ b/protos/voltha_protos/ietf_interfaces.proto
@@ -1,6 +1,6 @@
 syntax = "proto3";
 
-option go_package = "github.com/opencord/voltha-protos/v4/go/ietf";
+option go_package = "github.com/opencord/voltha-protos/v5/go/ietf";
 option java_package = "org.opencord.voltha";
 
 package ietf;