asm/unistd.h into asm-unistd.h.
* sysdeps/unix/sysv/linux/mips/configure: Generated.
* sysdeps/unix/sysv/linux/mips/Makefile: Do custom processing
of syscall list.
* sysdeps/unix/sysv/linux/mips/sys/syscall.h: New file.
* sysdeps/unix/sysv/linux/mips/clone.S: Don't include
asm/unistd.h.
* sysdeps/unix/sysv/linux/mips/configure.in: Define AC_SUBST to
empty to prevent junk from being generated.
sysdeps/unix/sysv/linux/mips/configure: Regenerated.