wireless: Create 'device' symlink in sysfs

Some network interfaces of the wireless drivers lack the 'device'
symlink in sysfs.
This patch lets the drivers create the links.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/airo.c

@@ -2668,6 +2668,7 @@ static struct net_device *init_wifidev(struct airo_info *ai,
 	dev->irq = ethdev->irq;
 	dev->base_addr = ethdev->base_addr;
 	dev->wireless_data = ethdev->wireless_data;
+	SET_NETDEV_DEV(dev, ethdev->dev.parent);
 	memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
 	err = register_netdev(dev);
 	if (err<0) {

drivers/net/wireless/ipw2200.c

@@ -11584,6 +11584,7 @@ static int ipw_prom_alloc(struct ipw_priv *priv)
 	priv->prom_net_dev->hard_start_xmit = ipw_prom_hard_start_xmit;
 
 	priv->prom_priv->ieee->iw_mode = IW_MODE_MONITOR;
+	SET_NETDEV_DEV(priv->prom_net_dev, &priv->pci_dev->dev);
 
 	rc = register_netdev(priv->prom_net_dev);
 	if (rc) {

drivers/net/wireless/libertas/main.c

@@ -1565,6 +1565,7 @@ static int lbs_add_rtap(struct lbs_private *priv)
 	rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
 	rtap_dev->set_multicast_list = lbs_set_multicast_list;
 	rtap_dev->priv = priv;
+	SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent);
 
 	ret = register_netdev(rtap_dev);
 	if (ret) {