thermal: amlogic: Use dev_err_probe()

Replace the open-code with dev_err_probe() to simplify the code.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/202303241020110014476@zte.com.cn

drivers/thermal/amlogic_thermal.c

@@ -262,11 +262,8 @@ static int amlogic_thermal_probe(struct platform_device *pdev)
 		return PTR_ERR(pdata->regmap);
 
 	pdata->clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(pdata->clk)) {
-		if (PTR_ERR(pdata->clk) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get clock\n");
-		return PTR_ERR(pdata->clk);
-	}
+	if (IS_ERR(pdata->clk))
+		return dev_err_probe(dev, PTR_ERR(pdata->clk), "failed to get clock\n");
 
 	pdata->sec_ao_map = syscon_regmap_lookup_by_phandle
 		(pdev->dev.of_node, "amlogic,ao-secure");