NET: sa11x0-ir: set netdev's parent struct device

Add the missing SET_NETDEV_DEV() call to set the parent device
correctly for this network interface.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index 84fecce..149a3b4 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -919,6 +919,8 @@
 	if (!dev)
 		goto err_mem_4;
 
+	SET_NETDEV_DEV(dev, &pdev->dev);
+
 	si = netdev_priv(dev);
 	si->dev = &pdev->dev;
 	si->pdata = pdev->dev.platform_data;