cpufreq: qoriq: 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 <[e-mail]>
Acked-by: Rafael J. Wysocki <[e-mail]>

drivers/cpufreq/qoriq-cpufreq.c

···
 	.verify		= cpufreq_generic_frequency_table_verify,
 	.target_index	= qoriq_cpufreq_target,
 	.get		= cpufreq_generic_get,
-	.attr		= cpufreq_generic_attr,
 };
 
 static const struct of_device_id qoriq_cpufreq_blacklist[] = {