cpufreq: Fix sparse warning by making local function static

cpufreq_disabled() is a local function, so should be marked static.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index f552d5f..261ef65 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -129,7 +129,7 @@
 pure_initcall(init_cpufreq_transition_notifier_list);
 
 static int off __read_mostly;
-int cpufreq_disabled(void)
+static int cpufreq_disabled(void)
 {
 	return off;
 }