ns87415: use pci_get_legacy_ide_irq()

Fix ->init_hwif to use pci_get_legacy_ide_irq() instead of
__ide_default_irq().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ns87415.c b/drivers/ide/ns87415.c
index 83643ed..56042a3 100644
--- a/drivers/ide/ns87415.c
+++ b/drivers/ide/ns87415.c
@@ -286,7 +286,7 @@
 	}
 
 	if (!using_inta)
-		hwif->irq = __ide_default_irq(hwif->io_ports.data_addr);
+		hwif->irq = pci_get_legacy_ide_irq(dev, hwif->channel);
 	else if (!hwif->irq && hwif->mate && hwif->mate->irq)
 		hwif->irq = hwif->mate->irq;	/* share IRQ with mate */