Add instructions for building on various platforms

On Fri, Jul 11, 2014 at 10:32 AM, Patrick Williams <notifications@github.com
> wrote:

> In README:
>
> > +===============
> > +
> > +* If git is complaining about permissions when you clone op-build, try:
> > +> git clone --recursive git@github.com:open-power/op-build.git
> > +> cd op-build
> > +> git clone --recursive git@github.com:open-power/
> buildroot.git
> > +
> > +** or
> > +
> > +> git clone --recursive https://github.com/open-power/op-build.git
> > +> cd op-build
> > +> git clone --recursive https://github.com/open-power/buildroot.git
> > +
> > +(thanks to Erich Hauptli at IBM)
> > +
> > +* If make is complaining during skiboot link phases, revert make to version 3.81
>
> Is this resolved now with an upgrade to skiboot? Jeremy pulled in that
> version change and I merged your op-build pull request.
>

Hopefully, yes. The only platform this has been "tested" on is my sandbox,
so I thought noting this was prudent at least for the time being. Notice
it's in the "troubleshooting" not in the specific instructions for the
platforms. Easy to remove tho.

Brian.