cpufreq: speedstep: use cpufreq_table_validate_and_show()

Lets use cpufreq_table_validate_and_show() instead of calling
cpufreq_frequency_table_cpuinfo() and cpufreq_frequency_table_get_attr().

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c
index 5355abb..86a184e 100644
--- a/drivers/cpufreq/speedstep-ich.c
+++ b/drivers/cpufreq/speedstep-ich.c
@@ -320,7 +320,6 @@
 
 static int speedstep_cpu_init(struct cpufreq_policy *policy)
 {
-	int result;
 	unsigned int policy_cpu, speed;
 	struct get_freqs gf;
 
@@ -349,13 +348,7 @@
 	/* cpuinfo and default policy values */
 	policy->cur = speed;
 
-	result = cpufreq_frequency_table_cpuinfo(policy, speedstep_freqs);
-	if (result)
-		return result;
-
-	cpufreq_frequency_table_get_attr(speedstep_freqs, policy->cpu);
-
-	return 0;
+	return cpufreq_table_validate_and_show(policy, speedstep_freqs);
 }