config.guess/config.sub improvements

[Jeffrey A Law]

  In message < Pine.HPP.3.95a.980127191758.25774G-100000@hpatl20.cern.ch >you write:
  > OK, here is a new patch; the diffs are against the CVS repository.
  > 
  > Note that this is only for the HP PA-RISC part; I have included a new
  > ChangeLog entry to reflect this.  Please let me know if there are any
  > further problems with the patch. 
Thanks.  I've installed this patch.

  >  * On LynxOS, both RS6000 and PowerPC variants are folded to rs6000-*.
  >    I know the processors are supposedly similar, but are they really
  >    that similar?  For all that I know, people here are using PPC
  >    boards running LynxOS, and so far I have used powerpc-* as the
  >    configuration string.  I can rename things to rs6000-* if that
  >    is known to work.  And yes, I have absolutely no clue about this
  >    platform otherwise---I just need to support gcc on it.
Yes, they are basically the same -- they share a common instrution set
which the compiler uses by default.  And each rs6000/ppc variant has a
few instructions of its own, a different pipeline, etc.

jeff