[PATCH] libata: rename ata_down_sata_spd_limit() and friends

Rename ata_down_sata_spd_limit() and friends to sata_down_spd_limit()
and likewise for simplicity & consistency.

Signed-off-by: Tejun Heo <htejun@gmail.com>
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index e9fd869..8c16725 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -528,7 +528,7 @@
 	u32 tmp;
 
 	/* sil24 does the right thing(tm) without any protection */
-	ata_set_sata_spd(ap);
+	sata_set_spd(ap);
 
 	tout_msec = 100;
 	if (sata_dev_present(ap))