[CPUFREQ] fix incorrect comment on show_available_freqs() in freq_table.c

In freq_table.c, show_available_freqs()'s comment is oberviously wrong.
Change the comment to a new one to avoid confusion.
Signed-off-by: NFenghua Yu <fenghua.yu@intel.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDave Jones <davej@redhat.com>

drivers/cpufreq/freq_table.c

@@ -171,7 +171,7 @@ EXPORT_SYMBOL_GPL(cpufreq_frequency_table_target);
 
 static struct cpufreq_frequency_table *show_table[NR_CPUS];
 /**
- * show_scaling_governor - show the current policy for the specified CPU
+ * show_available_freqs - show available frequencies for the specified CPU
  */
 static ssize_t show_available_freqs (struct cpufreq_policy *policy, char *buf)
 {