bfin-opts.h: New.

bfin-opts.h: New.

	* config/bfin/bfin-opts.h: New.
	* config/bfin/bfin.c (bfin_lib_id_given, bfin_cpu_type,
	bfin_si_revision, bfin_workarounds): Remove.
	(bfin_cpus): Make static const.
	(bfin_load_pic_reg): Check global_options_set.x_bfin_library_id
	not bfin_lib_id_given.
	(bfin_handle_option): Don't set bfin_lib_id_given.  Access
	bfin_cpu_type, bfin_si_revision and bfin_workarounds via opts
	pointer. Use error_at.  Don't assert that global structures are in
	use.
	* config/bfin/bfin.h: Include bfin-opts.h.
	(enum bfin_cpu_type, bfin_cpu_t): Move to bfin-opts.h.
	(bfin_cpu_type, bfin_si_revision, bfin_workarounds): Remove.
	* bfin.opt (config/bfin/bfin-opts.h): New HeaderInclude entry.
	(bfin_cpu_type, bfin_si_revision, bfin_workarounds): New Variable
	entries.

From-SVN: r171314