cpufreq: speedstep: 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/speedstep-centrino.c

@@ -507,7 +507,6 @@ static struct cpufreq_driver centrino_driver = {
 	.verify		= cpufreq_generic_frequency_table_verify,
 	.target_index	= centrino_target,
 	.get		= get_cur_freq,
-	.attr		= cpufreq_generic_attr,
 };
 
 /*

drivers/cpufreq/speedstep-ich.c

@@ -315,7 +315,6 @@ static struct cpufreq_driver speedstep_driver = {
 	.target_index = speedstep_target,
 	.init	= speedstep_cpu_init,
 	.get	= speedstep_get,
-	.attr	= cpufreq_generic_attr,
 };
 
 static const struct x86_cpu_id ss_smi_ids[] = {

drivers/cpufreq/speedstep-smi.c

@@ -295,7 +295,6 @@ static struct cpufreq_driver speedstep_driver = {
 	.init		= speedstep_cpu_init,
 	.get		= speedstep_get,
 	.resume		= speedstep_resume,
-	.attr		= cpufreq_generic_attr,
 };
 
 static const struct x86_cpu_id ss_smi_ids[] = {