clk: qcom: krait-cc: fix wrong pointer passed to IS_ERR()

It should be 'mux' passed to IS_ERR/PTR_ERR().

Fixes: 56a655e1 ("clk: qcom: krait-cc: convert to parent_data API")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230104080235.1748953-1-yangyingliang@huawei.com

drivers/clk/qcom/krait-cc.c

@@ -376,8 +376,8 @@ static int krait_cc_probe(struct platform_device *pdev)
 
 	for_each_possible_cpu(cpu) {
 		mux = krait_add_clks(dev, cpu, id->data);
-		if (IS_ERR(clk))
-			return PTR_ERR(clk);
+		if (IS_ERR(mux))
+			return PTR_ERR(mux);
 		clks[cpu] = mux->clk;
 	}