patch to enable NetBSD/sparc64 support to bfd

[matthew green]

     In message < 395.955684614@cygnus.com >you write:
     > 
     > please apply this patch to bfd/config.bfd.  it adds support for
     > NetBSD/sparc64.
   Thanks.  Installed.
   
   In the future, please include ChangeLog entries as plaintext in the same
   message as the patch they're associated with.  ie


thanks heaps!  i will make sure i do this for the GCC/GDB ones coming next.