[Skiboot] [PATCH] Drop support for p5ioc2

[Stewart Smith]

Daniel Axtens <dja at axtens.net> writes:
> p5ioc2 is used by approximately 2 machines in the world, and has never
> ever been a supported configuration.
>
> Not only is the code virtually unused and very tricky to test, but
> keeping it around is making life unnecessarily difficult:
>
>  - It's more complexity to manage for things such as PCI slot support
>  - It's more code for static analysis to cover, which means more time
>    fixing bugs that affect no-one.
>  - It's bloating every single install of skiboot for no benefit.
>  - It's reducing coverage stats, which is sad.
>
> Drop p5ioc2.
>
> Signed-off-by: Daniel Axtens <dja at axtens.net>
>
> ---
>
> Tested on a p7ioc machine (vpl4). As soon as a phb3 machine becomes
> available I'll test against that, but I haven't touched any of that
> code.

Thanks, merged to master as of 0baf63f38757.

In discussion with benh and anton on IRC, we're likely going to remove
the rest of P7 support "soon" from master.