[VOL-4289]  Proto changes for gRPC migration

Change-Id: I317a0a865ccf78d0c37aa229c50d293a3f66c8bb
diff --git a/protos/voltha_protos/ext_config.proto b/protos/voltha_protos/ext_config.proto
old mode 100644
new mode 100755
index bfefd98..dc33120
--- a/protos/voltha_protos/ext_config.proto
+++ b/protos/voltha_protos/ext_config.proto
@@ -13,7 +13,7 @@
 // limitations under the License.
 syntax = "proto3";
 
-option go_package = "github.com/opencord/voltha-protos/v4/go/ext/config";
+option go_package = "github.com/opencord/voltha-protos/v5/go/ext/config";
 
 package config;