IB/mlx5: Adjust mlx5 rate mapping to support 800Gb

Adjust mlx5 function which maps the speed rate from IB spec values
to internal driver values to be able to handle speeds up to 800Gb.
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Reviewed-by: Mark Zhang <markzhang@nvidia.com>
Link: https://lore.kernel.org/r/301c803d8486b0df8aefad3fb3cc10dc58671985.1695204156.git.leon@kernel.orgReviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/hw/mlx5/qp.c

@@ -3436,7 +3436,7 @@ static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate)
 	if (rate == IB_RATE_PORT_CURRENT)
 		return 0;
 
-	if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS)
+	if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_800_GBPS)
 		return -EINVAL;
 
 	stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support);