watchdog: dm: Support manual relocation for watchdogs

Relocate watchdog ops as was done by:
"dm: Add support for all targets which requires MANUAL_RELOC"
(sha1: 484fdf5ba0)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/watchdog/wdt-uclass.c

@@ -63,8 +63,31 @@ int wdt_expire_now(struct udevice *dev, ulong flags)
 	return ret;
 }
 
+static int wdt_post_bind(struct udevice *dev)
+{
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+	struct wdt_ops *ops = (struct wdt_ops *)device_get_ops(dev);
+	static int reloc_done;
+
+	if (!reloc_done) {
+		if (ops->start)
+			ops->start += gd->reloc_off;
+		if (ops->stop)
+			ops->stop += gd->reloc_off;
+		if (ops->reset)
+			ops->reset += gd->reloc_off;
+		if (ops->expire_now)
+			ops->expire_now += gd->reloc_off;
+
+		reloc_done++;
+	}
+#endif
+	return 0;
+}
+
 UCLASS_DRIVER(wdt) = {
 	.id		= UCLASS_WDT,
 	.name		= "watchdog",
 	.flags		= DM_UC_FLAG_SEQ_ALIAS,
+	.post_bind	= wdt_post_bind,
 };