* rx/rx.h (TARGET_CPU_CPP_BUILTINS): Add macros for RX100, RX200,
	and RX600.
	* rx/rx.opt: Add macro for rx100 with string rx100 and value
	RX100.
	* rx/rx-opts.h (rx_cpu_types): Add new cpu type rx100.
	* rx/t-rx: Add rx100 under multi library matches option for nofpu
	option.

From-SVN: r199417