ide: remove IDE_HFLAG_NO_AUTOTUNE host flag

* Don't set IDE_HFLAG_NO_AUTOTUNE host flag in sgiioc4 and icside
  host drivers - there is no need for it as they don't implement
  ->set_pio_mode method.

* Remove no longer needed IDE_HFLAG_NO_AUTOTUNE host flag.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index c0cf7fc..4211bfb 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -480,8 +480,7 @@
 	.init_dma		= icside_dma_off_init,
 	.port_ops		= &icside_v6_no_dma_port_ops,
 	.dma_ops		= &icside_v6_dma_ops,
-	.host_flags		= IDE_HFLAG_SERIALIZE |
-				  IDE_HFLAG_NO_AUTOTUNE,
+	.host_flags		= IDE_HFLAG_SERIALIZE,
 	.mwdma_mask		= ATA_MWDMA2,
 	.swdma_mask		= ATA_SWDMA2,
 };