cpufreq: governor: Make gov_set_update_util() static

The gov_set_update_util() routine is only used internally by the
common governor code and it doesn't need to be exported, so make
it static.

No functional changes.
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>

drivers/cpufreq/cpufreq_governor.c

@@ -261,8 +261,8 @@ unsigned int dbs_update(struct cpufreq_policy *policy)
 }
 EXPORT_SYMBOL_GPL(dbs_update);
 
-void gov_set_update_util(struct policy_dbs_info *policy_dbs,
-			 unsigned int delay_us)
+static void gov_set_update_util(struct policy_dbs_info *policy_dbs,
+				unsigned int delay_us)
 {
 	struct cpufreq_policy *policy = policy_dbs->policy;
 	int cpu;
@@ -276,7 +276,6 @@ void gov_set_update_util(struct policy_dbs_info *policy_dbs,
 		cpufreq_set_update_util_data(cpu, &cdbs->update_util);
 	}
 }
-EXPORT_SYMBOL_GPL(gov_set_update_util);
 
 static inline void gov_clear_update_util(struct cpufreq_policy *policy)
 {