[VOL-2262] Fix list logical devices in single core deployment

Change-Id: I5b0416a19e119f40ae4e4fdee46eea393f251a3c
diff --git a/rw_core/core/logical_device_manager.go b/rw_core/core/logical_device_manager.go
index 0331ecb..ebe72b3 100644
--- a/rw_core/core/logical_device_manager.go
+++ b/rw_core/core/logical_device_manager.go
@@ -145,7 +145,7 @@
 func (ldMgr *LogicalDeviceManager) listLogicalDevices() (*voltha.LogicalDevices, error) {
 	log.Debug("ListAllLogicalDevices")
 	result := &voltha.LogicalDevices{}
-	if logicalDevices := ldMgr.clusterDataProxy.List(context.Background(), "/logical_devices", 0, false, ""); logicalDevices != nil {
+	if logicalDevices := ldMgr.clusterDataProxy.List(context.Background(), "/logical_devices", 0, true, ""); logicalDevices != nil {
 		for _, logicalDevice := range logicalDevices.([]interface{}) {
 			result.Items = append(result.Items, logicalDevice.(*voltha.LogicalDevice))
 		}