* config.bfd (s390-*-linux*): Add targ64_selvecs.

	* config.bfd (s390-*-linux*): Add targ64_selvecs.
	(s390x-*-linux*): Add targ_selvecs.

	* config.table: Use mh-s390pic for s390x too.

	* configure.tgt (s390x-*-linux*): Add elf_s390 emulation.
	(s390-*-linux*): Add elf64_s390 emulation if want64.
	* emulparams/elf64_sparc.sh (LIB_PATH): Update to match 2002-05-22
	genscript.sh changes.
	* emulparams/elf_x86_64.sh (LIB_PATH): Likewise.
	* emulparams/elf64_s390.sh (LIB_PATH): Set up native 64 bit dirs.