Remove ppc32 support

[Al Dunsmuir]

On Saturday, May 17, 2014, 4:23:27 PM, Al Dunsmuir wrote:
> On Friday, May 16, 2014, 8:07:47 PM, Dennis Gilmore wrote:
>>> Unlike  ARM,  ppc64  does support user processes running in ppc32 mode
>>> (via  multi-arch).  Do  the  current (up to today) ppc32 builds run on
>>> ppc32 hardware, or do they run on ppc64 machines via multi-arch?
>>> 
>>> If there is ppc32-only hardware, why can't we continue to use it?

>> The builds today happen in a 32 bit chroot on 64 bit hardware. the
>> chroot is made from scratch every build just as all the other arches
>> are.

>> Dennis

> That's  very good news.   It means physical ppc32 hosting was not used
> up  to now on ppc32, and a resurrected ppc32 should be able to play by
> the same rules.

I'm going to continue the discussion in the ppc list, returning to the
kernel list only when something new and relevant comes up.