net/mlx4_core: Fixing error flow in case of QUERY_FW failure

The order of operations was wrong on the teardown flow.

Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>