* config.sub: Import these changes from the config project:
2011-10-08 Joern Rennecke <joern.rennecke@embecosm.com>
Ben Elliston <bje@gnu.org>
* config.sub (epiphany): New.
2011-09-09 Linas Vepstas <linasvepstas@gmail.com>
Ben Elliston <bje@gnu.org>
* config.sub (hexagon, hexagon-*): New.
2011-08-23 Roland McGrath <mcgrathr@google.com>
* config.sub: Rename 32eb to be32, 32el to le32, 64el to le64, and
64eb to be64.
2011-08-16 Roland McGrath <mcgrathr@google.com>
* config.sub (32eb, 32el, 64eb, 64el): New (pseudo-)CPUs.
(nacl): Grok as alias for 32el-unknown-nacl.