cpufreq: Add __init annotation to module init funcs

Add missing __init annotation to module init funcs.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c
index ac57cdd..a458647 100644
--- a/drivers/cpufreq/highbank-cpufreq.c
+++ b/drivers/cpufreq/highbank-cpufreq.c
@@ -55,7 +55,7 @@ static struct notifier_block hb_cpufreq_clk_nb = {
 	.notifier_call = hb_cpufreq_clk_notify,
 };
 
-static int hb_cpufreq_driver_init(void)
+static int __init hb_cpufreq_driver_init(void)
 {
 	struct platform_device_info devinfo = { .name = "cpufreq-dt", };
 	struct device *cpu_dev;
diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c
index a67df90..1a63aee 100644
--- a/drivers/cpufreq/sti-cpufreq.c
+++ b/drivers/cpufreq/sti-cpufreq.c
@@ -252,7 +252,7 @@ static int sti_cpufreq_fetch_syscon_registers(void)
 	return 0;
 }
 
-static int sti_cpufreq_init(void)
+static int __init sti_cpufreq_init(void)
 {
 	int ret;
 
diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c
index df85a77..f64180d 100644
--- a/drivers/cpufreq/ti-cpufreq.c
+++ b/drivers/cpufreq/ti-cpufreq.c
@@ -398,7 +398,7 @@ static int ti_cpufreq_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int ti_cpufreq_init(void)
+static int __init ti_cpufreq_init(void)
 {
 	const struct of_device_id *match;