selftests: drv-net: devmem: use new mattr ynl helpers

Use the just-added YNL helpers instead of manually setting
"_present" bits in the queue attrs. Compile tested only.

Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Acked-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250723171046.4027470-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: kuba-moo

tools/testing/selftests/drivers/net/hw/ncdevmem.c

@@ -526,12 +526,10 @@ static struct netdev_queue_id *create_queues(void)
 	struct netdev_queue_id *queues;
 	size_t i = 0;
 
-	queues = calloc(num_queues, sizeof(*queues));
+	queues = netdev_queue_id_alloc(num_queues);
 	for (i = 0; i < num_queues; i++) {
-		queues[i]._present.type = 1;
-		queues[i]._present.id = 1;
-		queues[i].type = NETDEV_QUEUE_TYPE_RX;
-		queues[i].id = start_queue + i;
+		netdev_queue_id_set_type(&queues[i], NETDEV_QUEUE_TYPE_RX);
+		netdev_queue_id_set_id(&queues[i], start_queue + i);
 	}
 
 	return queues;