VOL-2134 - update voltha-go to use v2.2.5 of voltha-lib-go

Change-Id: I8ec822ad0c4d28118ae6d8d68cf697eef21cfea9
diff --git a/go.mod b/go.mod
index 296baf4..6595e62 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1
 	github.com/gyuho/goraph v0.0.0-20160328020532-d460590d53a9
-	github.com/opencord/voltha-lib-go v0.0.0-20191018190138-62f0709e8232
+	github.com/opencord/voltha-lib-go v0.0.0-20191023185531-80258b36a64b
 	github.com/opencord/voltha-protos v1.0.3
 	github.com/stretchr/testify v1.4.0
 	google.golang.org/grpc v1.24.0