Remove powerpc PE support

[Alan Modra]

On Thu, Jul 09, 2020 at 07:21:01PM +0000, Alexander von Gluck IV wrote:
> July 9, 2020 8:35 AM, "Alan Modra via Binutils" <binutils@sourceware.org> wrote:
> 
> > Plus some leftover powerpc lynxos support.
> > 
> > powerpc-pe was obsoleted for 2.35. Normally we'd leave the code in
> > the tree until 2.36 in case someone wanted to work on it. I don't
> > think that's going to happen since the target support has been quite
> 
> A quick reminder that EFI extensively uses Pe for its loaders,
> so there is a potential "modern" use for Pe + (insert arch here)
> 
> This isn't a volunteer to maintain it, but just pointing out
> that ld.lld / llvm maintains Pe support for most architectures for
> this reason.
> 
> There is some work around PPC64 + EFI, so it could "become a thing"
> in the future.

Point taken, but what we had there in binutils has been broken for
over 20 years with no one stepping up to fix the problems.  I won't
stand in the way of anyone that wants to contribute working pe-coff
support back into binutils..

-- 
Alan Modra
Australia Development Lab, IBM