thermal: imx: Handle return value of clk_prepare_enable

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <[e-mail]>
Signed-off-by: Eduardo Valentin <[e-mail]>

drivers/thermal/imx_thermal.c

···
 {
 	struct imx_thermal_data *data = dev_get_drvdata(dev);
 	struct regmap *map = data->tempmon;
+	int ret;
 
-	clk_prepare_enable(data->thermal_clk);
+	ret = clk_prepare_enable(data->thermal_clk);
+	if (ret)
+		return ret;
 	/* Enabled thermal sensor after resume */
 	regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_POWER_DOWN);
 	regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_MEASURE_TEMP);