net/mlx5e: Same max num channels for both nic and uplink profiles

In downstream patches NIC netdev can change profile dynamically from
NIC mode to uplink mode and vise-versa. It is required that both profiles
must advertise the same max amount of tx/rx queues.

Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>