Bluetooth: hci_sync: Fix not setting adv set duration

10bbffa3e8 attempted to fix the use of rotation duration as
advertising duration but it didn't change the if condition which still
uses the duration instead of the timeout.

Fixes: 10bbffa3e8 ("Bluetooth: Fix using advertising instance duration as timeout")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/hci_sync.c

@@ -895,7 +895,7 @@ int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance)
 	/* Set duration per instance since controller is responsible for
 	 * scheduling it.
 	 */
-	if (adv && adv->duration) {
+	if (adv && adv->timeout) {
 		u16 duration = adv->timeout * MSEC_PER_SEC;
 
 		/* Time = N * 10 ms */