[CPUFREQ] powernowk8_cpu_exit may not be __exit but can be __devexit.

Thanks to Arjan for noticing this bug.
Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>

arch/i386/kernel/cpu/cpufreq/powernow-k8.c

@@ -1024,7 +1024,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
 	return -ENODEV;
 }
 
-static int __exit powernowk8_cpu_exit (struct cpufreq_policy *pol)
+static int __devexit powernowk8_cpu_exit (struct cpufreq_policy *pol)
 {
 	struct powernow_k8_data *data = powernow_data[pol->cpu];
 
@@ -1076,7 +1076,7 @@ static struct cpufreq_driver cpufreq_amd64_driver = {
 	.verify = powernowk8_verify,
 	.target = powernowk8_target,
 	.init = powernowk8_cpu_init,
-	.exit = powernowk8_cpu_exit,
+	.exit = __devexit_p(powernowk8_cpu_exit),
 	.get = powernowk8_get,
 	.name = "powernow-k8",
 	.owner = THIS_MODULE,