x86: Move link to use driver model for SCSI

As a demonstration of how to use SCSI with driver model, move link over
to use this. This patch needs more work, but illustrates the concept.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/ivybridge/sata.c b/arch/x86/cpu/ivybridge/sata.c
index 0f5e190..462b7c0 100644
--- a/arch/x86/cpu/ivybridge/sata.c
+++ b/arch/x86/cpu/ivybridge/sata.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <ahci.h>
 #include <dm.h>
 #include <fdtdec.h>
 #include <asm/io.h>
@@ -208,6 +209,20 @@
 	dm_pci_write_config16(dev, 0x90, map);
 }
 
+static int bd82x6x_sata_bind(struct udevice *dev)
+{
+	struct udevice *scsi_dev;
+	int ret;
+
+	if (gd->flags & GD_FLG_RELOC) {
+		ret = ahci_bind_scsi(dev, &scsi_dev);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
 static int bd82x6x_sata_probe(struct udevice *dev)
 {
 	struct udevice *pch;
@@ -219,8 +234,12 @@
 
 	if (!(gd->flags & GD_FLG_RELOC))
 		bd82x6x_sata_enable(dev);
-	else
+	else {
 		bd82x6x_sata_init(dev, pch);
+		ret = ahci_probe_scsi(dev);
+		if (ret)
+			return ret;
+	}
 
 	return 0;
 }
@@ -234,5 +253,6 @@
 	.name		= "ahci_ivybridge",
 	.id		= UCLASS_AHCI,
 	.of_match	= bd82x6x_ahci_ids,
+	.bind		= bd82x6x_sata_bind,
 	.probe		= bd82x6x_sata_probe,
 };