The driver wrongly takes the capability value for
the number of virtq pairs instead of just the number of virtqs.
Adjust all the usages of it to be the number of virtqs.
Fixes: c2eb33aaf967 ("vdpa/mlx5: manage virtqs by array")
Cc: stable@dpdk.org
Signed-off-by: Li Zhang <lizh@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
6f065d1539