cpufreq: conservative: Fix comment explaining frequency updates

The original comment about the frequency increase to maximum is wrong.

Both increase and decrease happen at steps.
Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/cpufreq_conservative.c

@@ -55,8 +55,8 @@ static inline unsigned int get_freq_step(struct cs_dbs_tuners *cs_tuners,
  * sampling_down_factor, we check, if current idle time is more than 80%
  * (default), then we try to decrease frequency
  *
- * Any frequency increase takes it to the maximum frequency. Frequency reduction
- * happens at minimum steps of 5% (default) of maximum frequency
+ * Frequency updates happen at minimum steps of 5% (default) of maximum
+ * frequency
  */
 static unsigned int cs_dbs_update(struct cpufreq_policy *policy)
 {