[VOL-4589] Make NNI ports speed configurable and report it to the OpenOLT Adapter

Change-Id: Iea4fc1c9ced0975ebbefffd4b13ef1e6e5fa00a1
diff --git a/go.mod b/go.mod
index 964a90e..9348881 100644
--- a/go.mod
+++ b/go.mod
@@ -24,7 +24,7 @@
 	github.com/opencord/cordctl v0.0.0-20190909161711-01e9c1f04bf4
 	github.com/opencord/device-management-interface v1.2.1
 	github.com/opencord/omci-lib-go/v2 v2.2.0
-	github.com/opencord/voltha-protos/v5 v5.1.2
+	github.com/opencord/voltha-protos/v5 v5.2.1
 	github.com/pkg/errors v0.8.1 // indirect
 	github.com/sirupsen/logrus v1.4.2
 	github.com/stretchr/testify v1.5.1