EDAC, ppc4xx_edac: Fix module autoload for OF platform driver

This platform driver has an OF device ID table but the OF module alias
information is not created so module autoloading won't work.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20150917114619.GA13145@goodgumbo.baconseed.org
Signed-off-by: Borislav Petkov <bp@suse.de>

drivers/edac/ppc4xx_edac.c

@@ -199,6 +199,7 @@ static const struct of_device_id ppc4xx_edac_match[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, ppc4xx_edac_match);
 
 static struct platform_driver ppc4xx_edac_driver = {
 	.probe			= ppc4xx_edac_probe,