* config/rom68k.exp: New file to support Motorola IDP board.

	* config/rom68k.exp:  New file to support Motorola IDP board.
	* gdb.base/a2-run.exp:  Skip this file if noargs is set.
	* gdb.base/break.c:  Change things around so that this program
	doesn't depend upon args.  This is necessary to make remote
	targets work (in general, they can't take args).
	* gdb.base/break.exp:  Don't try to send args to program.  Don't
	expect output.  Also, replace lots of code with gdb_test.