dm: ahci: Avoid scsi_scan_dev() in ahci_probe_scsi()

Running 'scsi scan' command causes scsi_scan_dev() to be called,
from which device_probe() is called and consequently AHCI driver
probe routine will be called as SCSI driver's parent, and finally
ahci_probe_scsi() calls scsi_scan_dev() again.

Remove the call to scsi_scan_dev() in ahci_probe_scsi().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/ata/ahci.c

@@ -1183,11 +1183,6 @@ int ahci_probe_scsi(struct udevice *ahci_dev)
 	ret = ahci_start_ports(uc_priv);
 	if (ret)
 		return ret;
-
-	debug("Scanning %s\n", dev->name);
-	ret = scsi_scan_dev(dev, true);
-	if (ret)
-		return ret;
 #endif
 
 	return 0;