Support MIPS elfoabi target

[Fu, Chao-Ying]

> From: Daniel Jacobowitz wrote:
> 
> On Wed, May 07, 2008 at 02:40:09PM -0700, Fu, Chao-Ying wrote:
> >   I just want to extend the last portion of elf to elfoabi, 
> from my previous
> > intention.
> > 
> >   Does mips*-*-elf* help?  Thanks!
> 
> Ah, this is:
> 
>     case ${generic_target}-${fmt} in
> 
> fmt will already be elf.
> 
> -- 
> Daniel Jacobowitz
> CodeSourcery
> 

  Yes.  There is no need to change configure.in and
configure.

Regards,
Chao-ying