* config.bfd: If we include any ELF targets in targ_defvec and/or

	* config.bfd: If we include any ELF targets in targ_defvec and/or
	targ_selvecs, then add the generic ELF targets to targ_selvecs.
	* elf32-gen.c (dummy): New static const variable.
	(elf_generic_info_to_howto): New static function.
	(elf_generic_info_to_howto_rel): New static function.
	(elf_info_to_howto): Define as elf_generic_info_to_howto.
	(elf_info_to_howto_rel): Define as elf_generic_info_to_howto_rel.
	* elf64-gen.c: Same changes as elf32-gen.c.
	* elfcode.h (elf_object_p): For the generic target, ignore a
	failure of bfd_default_set_arch_mach.  Fix indentation a bit.