atapi: reset cdrom tray statuses on ide_reset

Tray statuses should be also reseted. Some guests may lock the tray
and after reset before any kernel is loaded the tray should be unlocked.

Also if you reset the real computer the tray is closed. We should
do the same in qemu.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>