uas: Add US_FL_NO_ATA_1X quirk for Seagate (0bc2:ab20) drives

https://bbs.archlinux.org/viewtopic.php?pid=1457492



Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>