VOL-2138 Use v2 import paths for voltha-lib-go

Change-Id: I853dcce79c4defbe3140f3893651a2f50d63e053
diff --git a/rw_core/core/device_state_transitions.go b/rw_core/core/device_state_transitions.go
index 0c6fc7c..dc10464 100644
--- a/rw_core/core/device_state_transitions.go
+++ b/rw_core/core/device_state_transitions.go
@@ -17,7 +17,7 @@
 
 import (
 	"github.com/opencord/voltha-go/rw_core/coreIf"
-	"github.com/opencord/voltha-lib-go/pkg/log"
+	"github.com/opencord/voltha-lib-go/v2/pkg/log"
 	"github.com/opencord/voltha-protos/go/voltha"
 )