libata: dev_config does not need ap and adev passing

It used to be impossible to get from ata_device to ata_port but that is
no longer true. Various methods have been cleaned up over time but
dev_config still takes both and most users don't need both anyway. Tidy
this one up

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index 1e21688..4f5a6a1 100644
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -492,7 +492,7 @@
 		inic_reset_port(inic_port_base(qc->ap));
 }
 
-static void inic_dev_config(struct ata_port *ap, struct ata_device *dev)
+static void inic_dev_config(struct ata_device *dev)
 {
 	/* inic can only handle upto LBA28 max sectors */
 	if (dev->max_sectors > ATA_MAX_SECTORS)