cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths

This way, if there's an issue (in this case a -EPROBE_DEFER), you can
get useful output:

    [root@dhcp19-243-150 ~]# cat /sys/kernel/debug/devices_deferred
    18591000.cpufreq        qcom-cpufreq-hw: Failed to find icc paths

Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

Author: ahalaney

drivers/cpufreq/qcom-cpufreq-hw.c

@@ -661,7 +661,7 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
 
 	ret = dev_pm_opp_of_find_icc_paths(cpu_dev, NULL);
 	if (ret)
-		return ret;
+		return dev_err_probe(dev, ret, "Failed to find icc paths\n");
 
 	for (num_domains = 0; num_domains < MAX_FREQ_DOMAINS; num_domains++)
 		if (!platform_get_resource(pdev, IORESOURCE_MEM, num_domains))