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>
diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c
index f50e73f..aea8d61 100644
--- a/drivers/misc/cros_ec.c
+++ b/drivers/misc/cros_ec.c
@@ -1449,12 +1449,6 @@
 	return ret;
 }
 
-int cros_ec_post_bind(struct udevice *dev)
-{
-	/* Scan for available EC devices (e.g. I2C tunnel) */
-	return dm_scan_fdt_dev(dev);
-}
-
 U_BOOT_CMD(
 	crosec,	6,	1,	do_cros_ec,
 	"CROS-EC utility command",
@@ -1481,5 +1475,5 @@
 	.id		= UCLASS_CROS_EC,
 	.name		= "cros_ec",
 	.per_device_auto_alloc_size = sizeof(struct cros_ec_dev),
-	.post_bind	= cros_ec_post_bind,
+	.post_bind	= dm_scan_fdt_dev,
 };