[Cake] cake breaks on net-next head

[Jonathan Morton]

> On 16 Feb, 2016, at 04:04, Dave Täht <dave at taht.net> wrote:
> 
> As I have accumulated enough hardware to do some basic cake testing
> again, I spent a bit of time trying to get it to build, and did not
> succeed.
> 
> There has been some activity in the world (discussed at the netconf
> conference - I was not there so I lack details) about modifying how
> ingress works, so I assume it has something to do with that (AT_INGRESS
> and G_TC_AT are undefined).

It seems to work fine here, on x86.

 - Jonathan Morton