[libata] pata_cs5536: new API build fix

This driver was using hooks that were very recently removed.
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/ata/pata_cs5536.c

@@ -239,7 +239,6 @@ static struct scsi_host_template cs5536_sht = {
 };
 
 static struct ata_port_operations cs5536_port_ops = {
-	.port_disable		= ata_port_disable,
 	.set_piomode		= cs5536_set_piomode,
 	.set_dmamode		= cs5536_set_dmamode,
 	.mode_filter		= ata_pci_default_filter,
@@ -269,7 +268,6 @@ static struct ata_port_operations cs5536_port_ops = {
 	.irq_handler		= ata_interrupt,
 	.irq_clear		= ata_bmdma_irq_clear,
 	.irq_on			= ata_irq_on,
-	.irq_ack		= ata_irq_ack,
 
 	.port_start		= ata_port_start,
 };