* configure.in: Add mips64* support.
* configure: Rebuilt.
* sysdeps/mips/bits/endian.h: Make it bi-endian.
* sysdeps/mips/mipsel/bits/endian.h: Removed.
* sysdeps/mips/mips64/n32/el/bits/endian.h: Removed.
* sysdeps/mips/mips64/n64/el/bits/endian.h: Removed.
* sysdeps/mips/mips32/Makefile (CC): Add -mabi=32.
* sysdeps/mips/mips64/n32/Makefile (CC): Add -mabi=n32.
* sysdeps/mips/mips64/n64/Makefile (CC): Add -mabi=64.
* sysdeps/mips/Implies: Moved wordsize-32 to...
* sysdeps/mips/mips32/Implies: New file.
* sysdeps/unix/mips/sysdep.h (PSEUDO_NOERRNO, PSEUDO_END_NOERRNO,
ret_NOERRNO): New.
(ret, PSEUDO_END): Moved past END.
(PSEUDO): Moved to...
* sysdeps/unix/mips/mips32/sysdep.h: New file.
* sysdeps/unix/mips/mips64/n32/sysdep.h: Removed #undef PSEUDO.
* sysdeps/unix/mips/mips64/n64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep.h: Move to...
* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: New file.
* sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h: New file.