Changes to get GDB 6.8 regression testing to work with gdbserver (not yet
successfully)

2013-02-21  Jeremy Bennett <jeremy.bennett@embecosm.com>

	* arc-linux-generic.exp: Move extra file loads to after the main
	config file is loaded. Add gdb-extra.exp. Mark as using GDB stub.
	* ftp-extra.exp: Use filename from before transfer to change mode
	and return result.
	* gdb-extra.exp: Created.