avr32/pata: avoid unnecessary memset (updated after comments)

Remove an explicit memset(.., 0, ...) to a variable allocated with
kzalloc (i.e. 'info').

Signed-off-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/pata_at32.c b/drivers/ata/pata_at32.c
index 5e10438..82fb6e2 100644
--- a/drivers/ata/pata_at32.c
+++ b/drivers/ata/pata_at32.c
@@ -291,8 +291,6 @@
 	if (!info)
 		return -ENOMEM;
 
-	memset(info, 0, sizeof(struct at32_ide_info));
-
 	info->irq = irq;
 	info->cs  = board->cs;