iq2000-opts.h: New.

iq2000-opts.h: New.

	* config/iq2000/iq2000-opts.h: New.
	* config/iq2000/iq2000.c: Don't include opts.h.
	(iq2000_tune, iq2000_handle_option, TARGET_HANDLE_OPTION): Remove.
	* config/iq2000/iq2000.h (enum processor_type, iq2000_tune):
	Remove.
	* config/iq2000/iq2000.opt (config/iq2000/iq2000-opts.h): New
	HeaderInclude entry.
	(iq2000_tune): New Variable entry.
	(march=): Add comment.  Use Enum.
	(iq2000_arch): New Enum and EnumValue entries.
	(mcpu=): Use Enum and Var.
	(iq2000_tune): New Enum and EnumValue entries.

From-SVN: r171318