gcc:

gcc:
	* config.gcc (sh-*-elf*,  sh64*-*-elf*): Unify.
	(shl*-*-elf*): Add.
	* config/sh/t-be (MULTILIB_ENDIAN): Set.
	* config/sh/t-le (MULTILIB_ENDIAN): Likewise.
	* t-sh (MULTILIB_ENDIAN): Set.
	(MULTILIB_OPTIONS): Use it.
	* t-sh64 (MULTILIB_OPTIONS): Likewise.
	(MULTILIB_DIRNAMES): Likewise.
bfd:
	* config.bfd (sh64l*-*-elf*, shl*-*-elf*): New configurations.
ld:
	configure.tgt (shle*-*-elf*, sh64le-*-elf*): New configurations.