Updated README-ppc.html with AIX-specific build instructions

[Steve Poole]

hi -  just got back from vacation - I'll check this out and let you know

On 30 Oct 2012, at 18:26, Volker Simonis <volker.simonis at gmail.com> wrote:

> Hi everybody,
> 
> I've just updated README-ppc.html with AIX-specific build instructions.
> Everybody should now be able to build a reasonably working OpenJDK on AIX.
> 
> @colleagues at IBM:
> could you please check if my write-up sounds reasonable and verify if
> you can reproduce my build results. After all, you're the AIX wizards
> - we're just the apprentices:)
> 
> Regards,
> Volker
>