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/adaptercore/openolt_eventmgr.go b/adaptercore/openolt_eventmgr.go
index 56cda0b..8173ad1 100644
--- a/adaptercore/openolt_eventmgr.go
+++ b/adaptercore/openolt_eventmgr.go
@@ -21,8 +21,8 @@
 	"fmt"
 	"github.com/opencord/voltha-lib-go/v2/pkg/adapters/adapterif"
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
-	oop "github.com/opencord/voltha-protos/go/openolt"
-	"github.com/opencord/voltha-protos/go/voltha"
+	oop "github.com/opencord/voltha-protos/v2/go/openolt"
+	"github.com/opencord/voltha-protos/v2/go/voltha"
 )
 
 const (