* config.host (hppa*-*-hpux*): Change out_host_hook_obj and
	host_xmake_file.
	(hppa*-*-linux*): Ditto.
	(ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
	config/host-hpux.c: New.
	config/x-hpux: New.
	config/pa/x-hpux: Remove.
	config/pa/x-linux: Remove.
	config/pa/pa-host.c: Remove.

From-SVN: r105093