thermal: cpu_cooling: get rid of a variable in cpufreq_set_cur_state()

'cpu' is used at only one place and there is no need to keep a separate
variable for it.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

drivers/thermal/cpu_cooling.c

@@ -456,7 +456,6 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
 				 unsigned long state)
 {
 	struct cpufreq_cooling_device *cpufreq_cdev = cdev->devdata;
-	unsigned int cpu = cpumask_any(&cpufreq_cdev->allowed_cpus);
 	unsigned int clip_freq;
 
 	/* Request state should be less than max_level */
@@ -471,7 +470,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
 	cpufreq_cdev->cpufreq_state = state;
 	cpufreq_cdev->clipped_freq = clip_freq;
 
-	cpufreq_update_policy(cpu);
+	cpufreq_update_policy(cpumask_any(&cpufreq_cdev->allowed_cpus));
 
 	return 0;
 }