SAMSUNG HD401LJ / ZZ100-15 does spurious completion of NCQ commands.
Disable NCQ.  Reported by Ulrich in bugzilla #8805.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Ulrich <stellplatz-nr.13a@datenparkplatz.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>