[VOL-3731] Delete etcd stale data after olt reboot

Change-Id: Ib6669511327870d180262e1f8c2bd6c1e8315496
(cherry picked from commit 4f5ed59bf6dbcacbdef33ed25b4601334364275b)
diff --git a/go.mod b/go.mod
index 5eed3b1..cf940c4 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@
 	github.com/gogo/protobuf v1.3.1
 	github.com/golang/protobuf v1.3.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4
-	github.com/opencord/voltha-lib-go/v5 v5.0.5
+	github.com/opencord/voltha-lib-go/v5 v5.0.6
 	github.com/opencord/voltha-protos/v4 v4.2.0
 	go.etcd.io/etcd v0.0.0-20190930204107-236ac2a90522
 	google.golang.org/grpc v1.25.1