* breakpoint.c (insert_breakpoints, breakpoint_init_inferior)

	* breakpoint.c (insert_breakpoints, breakpoint_init_inferior)
	(update_global_location_list): Use gdbarch_has_global_breakpoints
	instead of gdbarch_has_global_solist and
	target_supports_multi_process.
	* dicos-tdep.c (dicos_init_abi): Set
	gdbarch_has_global_breakpoints.
	* gdbarch.sh (has_global_solist): Update comment.
	(has_global_breakpoints): New.
	* remote.c (remote_start_remote): Use
	gdbarch_has_global_breakpoints instead of
	gdbarch_has_global_solist.
	* target.c (target_detach): Use gdbarch_has_global_breakpoints
	instead of gdbarch_has_global_solist.
	* infcmd.c (attach_command): Use gdbarch_has_global_solist instead
	of target_supports_multi_process.