net/mlx5: Lag, filter non compatible devices

net/mlx5: Lag, filter non compatible devices

[ Upstream commit bc4c2f2e017949646b43fdcad005a03462d437c6 ]

When search for a peer lag device we can filter based on that
device's capabilities.

Downstream patch will be less strict when filtering compatible devices
and remove the limitation where we require exact MLX5_MAX_PORTS and
change it to a range.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>