cpufreq: sc520_freq: Stop setting cpufreq_driver->attr field

The cpufreq core now handles this for basic attributes, including boost
frequencies, the driver can skip setting them.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>

Author: vireshk

drivers/cpufreq/sc520_freq.c

@@ -92,7 +92,6 @@ static struct cpufreq_driver sc520_freq_driver = {
 	.target_index = sc520_freq_target,
 	.init	= sc520_freq_cpu_init,
 	.name	= "sc520_freq",
-	.attr	= cpufreq_generic_attr,
 };
 
 static const struct x86_cpu_id sc520_ids[] = {