edac: add missing __devexit_p()

The remove function uses __devexit, so the .remove assignment needs
__devexit_p() to fix a build error with hotplug disabled.
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
Cc: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/edac/cell_edac.c

@@ -227,7 +227,7 @@ static struct platform_driver cell_edac_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= cell_edac_probe,
-	.remove		= cell_edac_remove,
+	.remove		= __devexit_p(cell_edac_remove),
 };
 
 static int __init cell_edac_init(void)