virtio-scsi: allocate cmd_vqs array separately. Allocate/Free the cmd_vqs array separately to have a fixed size device. Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1363875320-7985-3-git-send-email-fred.konrad@greensocs.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>