dm: Use dm_scan_fdt_dev() directly where possible

Quite a few places have a bind() method which just calls dm_scan_fdt_dev().
We may as well call dm_scan_fdt_dev() directly. Update the code to do this.

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/power/pmic/pm8916.c

@@ -78,17 +78,11 @@ static int pm8916_probe(struct udevice *dev)
 	return 0;
 }
 
-
-static int pm8916_bind(struct udevice *dev)
-{
-	return dm_scan_fdt_dev(dev);
-}
-
 U_BOOT_DRIVER(pmic_pm8916) = {
 	.name = "pmic_pm8916",
 	.id = UCLASS_PMIC,
 	.of_match = pm8916_ids,
-	.bind = pm8916_bind,
+	.bind = dm_scan_fdt_dev,
 	.probe = pm8916_probe,
 	.ops = &pm8916_ops,
 	.priv_auto_alloc_size = sizeof(struct pm8916_priv),