[PATCH] Update config.sub and config.guess for MIPS R3 and R5 ISA support

[Maciej W. Rozycki]

Hi Nick,

> > 	* config.guess: Import from upstream.
> > 	* config.sub: Likewise.
> > 
> > 	readline/
> > 	* readline/support/config.guess: Import from upstream.
> > 	* readline/support/config.sub: Likewise.
> 
> Approved - please apply.

 Applied now, thank you for your review.

  Maciej