net/mlx5e: kTLS, Introduce TLS-specific create TIS

TLS TIS objects have a defined role in mapping and reaching the HW TLS
contexts.  Some standard TIS attributes (like LAG port affinity) are
not relevant for them.

Use a dedicated TLS TIS create function instead of the generic
mlx5e_create_tis.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>