clk: clk-uclass: Assign clk->dev before call .of_xlate

In order to make clk->dev available in ops->of_xlate() to get the
clock ID from the 'reg' property of the clock node, assign the
clk->dev before calling ops->of_xlate().

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>

drivers/clk/clk-uclass.c

@@ -80,6 +80,9 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
 		      __func__, ret);
 		return ret;
 	}
+
+	clk->dev = dev_clk;
+
 	ops = clk_dev_ops(dev_clk);
 
 	if (ops->of_xlate)