VOL-2145 - update to voltha-lib-go@v2.2.5

Change-Id: I9a16df88aed7798d9fc5519107f4f16baa1a7a7f
diff --git a/vendor/github.com/opencord/voltha-lib-go/pkg/db/model/revision.go b/vendor/github.com/opencord/voltha-lib-go/pkg/db/model/revision.go
index bb61355..71c5d0c 100644
--- a/vendor/github.com/opencord/voltha-lib-go/pkg/db/model/revision.go
+++ b/vendor/github.com/opencord/voltha-lib-go/pkg/db/model/revision.go
@@ -28,6 +28,7 @@
 	Drop(txid string, includeConfig bool)
 	StorageDrop(txid string, includeConfig bool)
 	ChildDrop(childType string, childHash string)
+	ChildDropByName(childName string)
 	SetChildren(name string, children []Revision)
 	GetChildren(name string) []Revision
 	SetAllChildren(children map[string][]Revision)