Bluetooth: Use bt_dev_err and bt_dev_info when possible

In case of using BT_ERR and BT_INFO, convert to bt_dev_err and
bt_dev_info when possible. This allows for controller specific
reporting.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index aa300f3..34aaa23 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -50,7 +50,7 @@ void hci_conn_add_sysfs(struct hci_conn *conn)
 	dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
 
 	if (device_add(&conn->dev) < 0) {
-		BT_ERR("Failed to register connection device");
+		bt_dev_err(hdev, "failed to register connection device");
 		return;
 	}