clk: clk-uclass: Fix clk_set_default_rates issue

clk_set_rate returns the actual clock rate, When assigned clock rate is
higher than 0x7FFFFFFF, the return value will be recognized as error.
Change to IS_ERR_VALUE to check the return value.

Signed-off-by: Ye Li <ye.li@nxp.com>

drivers/clk/clk-uclass.c

@@ -358,7 +358,7 @@ static int clk_set_default_rates(struct udevice *dev,
 
 		ret = clk_set_rate(c, rates[index]);
 
-		if (ret < 0) {
+		if (IS_ERR_VALUE(ret)) {
 			dev_warn(dev,
 				 "failed to set rate on clock index %d (%ld) (error = %d)\n",
 				 index, clk.id, ret);