[libata] ata_piix: build fix

Spotted by Andrew Morton.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 965b4f0..ab2eccc 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -559,7 +559,7 @@
 	/* ich7m_sata_ahci: 10 */
 	{
 		.sht		= &piix_sht,
-		.host_flags	= ATA_FLAG_SATA |
+		.flags		= ATA_FLAG_SATA |
 				  PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR |
 				  PIIX_FLAG_AHCI,
 		.pio_mask	= 0x1f,	/* pio0-4 */