netdev: smsc911x: add missing __devexit_p() usage

The smsc911x_drv_remove() function is declared with __devexit, so the
assignment to the driver structure needs __devexit_p() wrappings to prevent
build failure when hotplug is disabled.
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/smsc911x.c

@@ -2155,7 +2155,7 @@ static int smsc911x_resume(struct platform_device *pdev)
 
 static struct platform_driver smsc911x_driver = {
 	.probe = smsc911x_drv_probe,
-	.remove = smsc911x_drv_remove,
+	.remove = __devexit_p(smsc911x_drv_remove),
 	.driver = {
 		.name = SMSC_CHIPNAME,
 	},