au1xxx-ide: fix ->io_32bit handling

The host driver must set hwif's ->no_io_32bit setting not drive's one
(ide_port_tune_devices() overrides drive's setting).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/mips/au1xxx-ide.c

@@ -658,8 +658,7 @@ static int au_ide_probe(struct device *dev)
 	hwif->drives[0].autotune        = 1;    /* 1=autotune, 2=noautotune, 0=default */
 	hwif->drives[1].autotune	= 1;
 
-	hwif->drives[0].no_io_32bit	= 1;
-	hwif->drives[1].no_io_32bit	= 1;
+	hwif->no_io_32bit		= 1;
 
 	auide_hwif.hwif                 = hwif;
 	hwif->hwif_data                 = &auide_hwif;