vdpa: change the type of nvqs to u32

vdpa: change the type of nvqs to u32

Change vdpa_device.nvqs and vhost_vdpa.nvqs to use u32

Signed-off-by: Longpeng <longpeng2@huawei.com>
Link: https://lore.kernel.org/r/20220315032553.455-3-longpeng2@huawei.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Longpeng &lt;<a href="mailto:longpeng2@huawei.com" target="_blank">longpeng2@huawei.com</a>&gt;<br></blockquote><div><br></div><div>Acked-by: Jason Wang &lt;<a href="mailto:jasowang@redhat.com">jasowang@redhat.com</a>&gt;</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>