ARM: pxa: remove __init from cpufreq_driver->init()

This is causing section mismatches when linking, as cpufreq_driver->init()
is not supposed to be in init section.
Reported-by: NTomáš 'Sleep_Walker' Čech <sleep_walker@suse.cz>
Signed-off-by: NEric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/cpufreq-pxa2xx.c

@@ -398,7 +398,7 @@ static int pxa_set_target(struct cpufreq_policy *policy,
 	return 0;
 }
 
-static __init int pxa_cpufreq_init(struct cpufreq_policy *policy)
+static int pxa_cpufreq_init(struct cpufreq_policy *policy)
 {
 	int i;
 	unsigned int freq;

arch/arm/mach-pxa/cpufreq-pxa3xx.c

@@ -204,7 +204,7 @@ static int pxa3xx_cpufreq_set(struct cpufreq_policy *policy,
 	return 0;
 }
 
-static __init int pxa3xx_cpufreq_init(struct cpufreq_policy *policy)
+static int pxa3xx_cpufreq_init(struct cpufreq_policy *policy)
 {
 	int ret = -EINVAL;