cpufreq: Contain scaling_cur_freq.attr in cpufreq_attrs

After commit c034b02 ("cpufreq: expose scaling_cur_freq sysfs file
for set_policy() drivers"), the file scaling_cur_freq is exposed to all
drivers.

No need to create this file separately. It's better to be contained in
cpufreq_attrs.

Signed-off-by: Lifeng Zheng <zhenglifeng1@huawei.com>
Link: https://patch.msgid.link/20250623133402.3120230-4-zhenglifeng1@huawei.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: Lifeng Zheng

drivers/cpufreq/cpufreq.c

@@ -967,6 +967,7 @@ static struct attribute *cpufreq_attrs[] = {
 	&cpuinfo_min_freq.attr,
 	&cpuinfo_max_freq.attr,
 	&cpuinfo_transition_latency.attr,
+	&scaling_cur_freq.attr,
 	&scaling_min_freq.attr,
 	&scaling_max_freq.attr,
 	&affected_cpus.attr,
@@ -1095,10 +1096,6 @@ static int cpufreq_add_dev_interface(struct cpufreq_policy *policy)
 			return ret;
 	}
 
-	ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
-	if (ret)
-		return ret;
-
 	if (cpufreq_driver->bios_limit) {
 		ret = sysfs_create_file(&policy->kobj, &bios_limit.attr);
 		if (ret)