net/mlx5: Add XRC transport to ODP device capabilities layout

The device capabilities for ODP structure was missing the field for XRC
transport so add it here.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>