* config/m32c/m32c.c: Don't include opts.h.
	(target_memregs, target_memregs_set, TARGET_HANDLE_OPTION,
	m32c_handle_option): Remove.
	(m32c_option_override): Check global_options_set.x_target_memregs
	instead of target_memregs_set.
	* config/m32c/m32c.h (target_memregs): Remove.
	* config/m32c/m32c.opt (memregs=): Use UInteger with integer
	variable.

From-SVN: r171320