gRPC migration

Change-Id: Ib390f6dde0d5a8d6db12ccd7da41135570ad1354
diff --git a/internal/bbsim/devices/onu.go b/internal/bbsim/devices/onu.go
index 7de3cc3..438993c 100644
--- a/internal/bbsim/devices/onu.go
+++ b/internal/bbsim/devices/onu.go
@@ -42,8 +42,8 @@
 	"github.com/opencord/bbsim/internal/common"
 	omcilib "github.com/opencord/bbsim/internal/common/omci"
 	"github.com/opencord/omci-lib-go"
-	"github.com/opencord/voltha-protos/v4/go/openolt"
-	"github.com/opencord/voltha-protos/v4/go/tech_profile"
+	"github.com/opencord/voltha-protos/v5/go/openolt"
+	"github.com/opencord/voltha-protos/v5/go/tech_profile"
 	log "github.com/sirupsen/logrus"
 )