Using voltha-lib-go 4.0.2

Change-Id: Ic5bb6913d52ce49ac46f4ecdb811fa1d1fb3581a
diff --git a/vendor/modules.txt b/vendor/modules.txt
index ea4f9cd..4271568 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -70,7 +70,7 @@
 github.com/mitchellh/go-homedir
 # github.com/mitchellh/mapstructure v1.1.2
 github.com/mitchellh/mapstructure
-# github.com/opencord/voltha-lib-go/v4 v4.0.1
+# github.com/opencord/voltha-lib-go/v4 v4.0.2
 github.com/opencord/voltha-lib-go/v4/pkg/adapters
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/common