dm: core: Allow device_bind() to used without CONFIG_OF_CONTROL

The sequence number support in driver model requires device tree control.
It should be skipped if CONFIG_OF_CONTROL is not defined, and should not
require functions from fdtdec.

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

drivers/core/device.c

@@ -106,13 +106,16 @@ int device_bind(struct udevice *parent, struct driver *drv, const char *name,
 	 * a 'requested' sequence, and will be resolved (and ->seq updated)
 	 * when the device is probed.
 	 */
-	dev->req_seq = fdtdec_get_int(gd->fdt_blob, of_offset, "reg", -1);
 	dev->seq = -1;
+#ifdef CONFIG_OF_CONTROL
+	dev->req_seq = fdtdec_get_int(gd->fdt_blob, of_offset, "reg", -1);
 	if (uc->uc_drv->name && of_offset != -1) {
 		fdtdec_get_alias_seq(gd->fdt_blob, uc->uc_drv->name, of_offset,
 				     &dev->req_seq);
 	}
-
+#else
+	dev->req_seq = -1;
+#endif
 	if (!dev->platdata && drv->platdata_auto_alloc_size)
 		dev->flags |= DM_FLAG_ALLOC_PDATA;