VOL-2103 - Device reason update modifications

A new api is defined to update the reason attribute of Device in rw_core.

Change-Id: Icc4134498fc622d67d8e8b6f6d08f0968a8e9bd2
diff --git a/vendor/modules.txt b/vendor/modules.txt
index c0ad304..2874a69 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -62,7 +62,7 @@
 github.com/mitchellh/go-homedir
 # github.com/mitchellh/mapstructure v1.1.2
 github.com/mitchellh/mapstructure
-# github.com/opencord/voltha-lib-go v0.0.0-20191017201200-e73f91e306e9
+# github.com/opencord/voltha-lib-go v0.0.0-20191018190138-62f0709e8232
 github.com/opencord/voltha-lib-go/pkg/log
 github.com/opencord/voltha-lib-go/pkg/db/kvstore
 github.com/opencord/voltha-lib-go/pkg/grpc