config.sub: Import these changes from the config project:

	* 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.

From-SVN: r180562