* dink32-rom.c: New file, support for DINK32 monitor.

	* dink32-rom.c: New file, support for DINK32 monitor.
	* Makefile.in (dink32-rom.o): Add build rule.
	* config/powerpc/ppc-eabi.mt, config/powerpc/ppc-sim.mt
 	(TDEPFILES): Add dink32-rom.o.
	* monitor.h (MO_32_REGS_PAIRED, MO_SETREG_INTERACTIVE,
 	MO_SETMEM_INTERACTIVE, MO_GETMEM_16_BOUNDARY,
 	MO_CLR_BREAK_1_BASED): New monitor interface flags.
	* monitor.c: Use them.
	(monitor_store_register): Use setreg.term if defined.
	(monitor_insert_breakpoint, monitor_remove_breakpoint): Notice
	if set_break and clr_break fields are empty.