VOL-2189 update voltha-openolt-adapter to use voltha-protos=v2.0.1 and voltha-lib-go=v2.2.9;
Release v2.2.1

Change-Id: I527d6541f9d8b7df8504d886a01163c7e57bdd77
diff --git a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/model/event_bus_client.go b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/model/event_bus_client.go
index b9c6431..d9a8d49 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/model/event_bus_client.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/model/event_bus_client.go
@@ -18,7 +18,7 @@
 
 import (
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
-	"github.com/opencord/voltha-protos/go/voltha"
+	"github.com/opencord/voltha-protos/v2/go/voltha"
 )
 
 // EventBusClient is an abstraction layer structure to communicate with an event bus mechanism