MAINTAINERS: mlx5: Add Tariq Toukan

Add myself as mlx5 core and EN maintainer.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Acked-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20240401184347.53884-1-tariqt@nvidia.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>