Add mn10300-modes.def

[Nick Clifton]

Hi Guys,

   When I checked in the MN10300 CC0 removal patch I forgot to check in 
the new mn10300-modes.def file.  So I have now fixed this.  Thanks to 
Joern for catching this.

Cheers
   Nick

gcc/ChangeLog
2010-11-09  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300-modes.def: New file.