* config/m68k/hp320.h, config/m68k/linux.h, config/m68k/m68k-none.h,
	config/m68k/m68k.h, config/m68k/m68kemb.h, config/m68k/m68kv4.h,
	config/m68k/openbsd.h, config/m68k/rtemself.h: Remove CPP_PREDEFINES,
	use TARGET_OS_CPP_BUILTINS and TARGET_CPU_CPP_BUILTINS instead.

From-SVN: r66916