* sysdeps/unix/sysv/linux/s390/bits/libc-vdso.h: New file.

* sysdeps/unix/sysv/linux/s390/bits/libc-vdso.h: New file.

	* sysdeps/unix/sysv/linux/s390/gettimeofday.c: New file.
	* sysdeps/unix/sysv/linux/s390/init-first.c: New file.
	* sysdeps/unix/sysv/linux/s390/Makefile (sysdep_routines): Add dl-vdso
	for elf subdir.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (INLINE_VSYSCALL,
	INTERNAL_VSYSCALL, INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK,
	INTERNAL_SYSCALL_NCS, HAVE_CLOCK_GETRES_VSYSCALL and
	HAVE_CLOCK_GETTIME_VSYSCALL: Define.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/Versions: New file.