ata: Fix ahci wording

s/achi_/ahci_/g

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/ata/dwc_ahci.c b/drivers/ata/dwc_ahci.c
index b16304b..029b778 100644
--- a/drivers/ata/dwc_ahci.c
+++ b/drivers/ata/dwc_ahci.c
@@ -85,7 +85,7 @@
 	if (ret)
 		return ret;
 
-	return achi_start_ports_dm(dev);
+	return ahci_start_ports_dm(dev);
 }
 
 static const struct udevice_id dwc_ahci_ids[] = {