ata: pata_mpc52xx: use GFP_KERNEL

Platform_driver probe functions aren't called with locks held
and thus don't need GFP_ATOMIC. Use GFP_KERNEL instead.

Problem found with Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

drivers/ata/pata_mpc52xx.c

@@ -736,7 +736,7 @@ static int mpc52xx_ata_probe(struct platform_device *op)
 	}
 
 	/* Prepare our private structure */
-	priv = devm_kzalloc(&op->dev, sizeof(*priv), GFP_ATOMIC);
+	priv = devm_kzalloc(&op->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv) {
 		rv = -ENOMEM;
 		goto err1;