[Cake] Backporting 'tc class' support

[Toke Høiland-Jørgensen]

Jonathan Morton <chromatix99 at gmail.com> writes:

> On 12:30pm, Mon, 16 Jul 2018 Toke Høiland-Jørgensen, <toke at toke.dk> wrote:
>
>> I'm leaning towards making tc filter classification obey tin_order;
>> opinions? :)
>
> Sounds fine to me.

Right, pushed an update to this effect. Will submit it upstream as well
once someone has verified that it does what it's supposed to :)

-Toke