clk: fixed-rate: Remove redundant if statement

(np) is always true when (dev || !np) is false, so just remove
the check.

Signed-off-by: Li Zhengyu <lizhengyu3@huawei.com>
Link: https://lore.kernel.org/r/20220509092102.140520-1-lizhengyu3@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-fixed-rate.c

@@ -87,7 +87,7 @@ struct clk_hw *__clk_hw_register_fixed_rate(struct device *dev,
 	hw = &fixed->hw;
 	if (dev || !np)
 		ret = clk_hw_register(dev, hw);
-	else if (np)
+	else
 		ret = of_clk_hw_register(np, hw);
 	if (ret) {
 		kfree(fixed);