net/mlx5: Check dr mask size against mlx5_match_param size

This is to allow passing misc4 match param from userspace when
function like ib_flow_matcher_create is called.

Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>