Regenerate bfd-in2.h and libbfd.h

[Stafford Horne]

Hi Alan,

On Fri, May 7, 2021 at 10:53 AM Alan Modra <amodra@gmail.com> wrote:
>
> From b976e8f860a0a81739aebfe4f12f544bc9874bfd Mon Sep 17 00:00:00 2001
> From: Alan Modra <amodra@gmail.com>
> Date: Fri, 7 May 2021 11:01:22 +0930
> Subject:
>
> Commit 0b3e14c90283 edited these by hand.  Stafford, please see the
> instructions at the beginning of these files.

Understood, sorry about that. It is the first time I added a relocation and
I must have missed
the comment in the headers.  My workstation broke this morning (fan failing
to spin after restart),
so I am not able to test these right now, but it looks good to me.

-Stafford