net/mlx5: Fix offset naming for reserved fields in hca_cap_bits

Fix offset for reserved fields.

Fixes: 7486216b ("{net,IB}/mlx5: mlx5_ifc updates")
Fixes: b4ff3a36 ("net/mlx5: Use offset based reserved field names in the IFC header file")
Fixes: 7d5e1423 ("net/mlx5: Update mlx5_ifc hardware features")
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>