add missing null entry in pcmcia driver

SVN-Revision: 16333

target/linux/brcm63xx/files/drivers/pcmcia/bcm63xx_pcmcia.c

@@ -466,6 +466,8 @@ struct platform_driver bcm63xx_pcmcia_driver = {
 		.name	= "bcm63xx_pcmcia",
 		.owner  = THIS_MODULE,
 	},
+
+	{ },
 };
 
 #ifdef CONFIG_CARDBUS