thermal: cpu_cooling: no need to initialze 'ret'

ret is initialized before it is used, so no need to set it to 0 in its declaration.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

drivers/thermal/cpu_cooling.c

@@ -454,7 +454,7 @@ __cpufreq_cooling_register(struct device_node *np,
 	struct cpufreq_cooling_device *cpufreq_dev;
 	unsigned int min = 0, max = 0;
 	char dev_name[THERMAL_NAME_LENGTH];
-	int ret = 0, i;
+	int ret, i;
 	struct cpufreq_policy policy;
 
 	if (!cpufreq_frequency_get_table(cpumask_first(clip_cpus))) {