Changing the default 32-bit x86 arch for Fedora 12

[Kevin Kofler]

Tomas Mraz wrote:
> Great, i686 without SSE(2) seems OK to me. I even wonder why we did not
> go to that requirement in F11 already without the intermediate ~i586
> requirement.

Because there's little performance gain and it excludes some hardware. It's
likely that SSE2 would at least bring a significant performance gain (but
it'd also exclude a lot more hardware).

        Kevin Kofler