net/mlx5e: Fix number of vports for ingress ACL configuration

With the cited commit, ACLs are configured for the VF ports. The loop
for the number of ports had the wrong number. Fix it.

Fixes: 18486737

 ("net/mlx5e: ACLs for priority tag mode")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>