[Patch] merge config.sub from upstream

[Anthony Green <green@moxielogic.com>]

I'm committing this change on the assumption that upstream
config.{sub|guess} merges are auto-approved, as is done in GCC.  This
brings binutils-gdb in line with upstream config and GCC sources.

AG


2014-07-29  Anthony Green  <green@moxielogic.com>

	* config.sub: Import from upstream.


diff --git a/config.sub b/config.sub
index d654d03..88a0cb4 100755
--- a/config.sub
+++ b/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2014 Free Software Foundation, Inc.
 
-timestamp='2014-05-01'
+timestamp='2014-07-28'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -828,6 +828,10 @@ case $basic_machine in
 		basic_machine=powerpc-unknown
 		os=-morphos
 		;;
+	moxiebox)
+		basic_machine=moxie-unknown
+		os=-moxiebox
+		;;
 	msdos)
 		basic_machine=i386-pc
 		os=-msdos
@@ -1373,7 +1377,7 @@ case $os in
 	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
 	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
-	      | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \
 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \