net/mlx5e: Fix VF min/max rate parameters interchange mistake

The VF min and max rate were passed incorrectly and resulted in wrongly
interchanging them. Fix the order of parameters in
mlx5_esw_qos_set_vport_rate().

Fixes: d7df09f5

 ("net/mlx5: E-switch, Enable vport QoS on demand")
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>