Bluetooth: Remove unnecessary usage of hci_pend_le_conn_add

This is the last place using hci_pend_le_conn_add() and we can more
just as simply manipulate the list directly here.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/hci_event.c

@@ -2209,7 +2209,9 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 			/* Fall through */
 
 		case HCI_AUTO_CONN_ALWAYS:
-			hci_pend_le_conn_add(hdev, params);
+			list_del_init(&params->action);
+			list_add(&params->action, &hdev->pend_le_conns);
+			hci_update_background_scan(hdev);
 			break;
 
 		default: