The wrong offset was used when parsing the number of XRCs in
mlx4_QUERY_DEV_CAP().
Signed-off-by: NDotan Barak <dotanb@dev.mellanox.co.il>
Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: NRoland Dreier <roland@purestorage.com>