thermal: Drop duplicate words from comments

Drop duplicate words from two kerneldoc comments in the thermal
subsystem.

Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
[ rjw: Subject edits and changelog rewrite ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: Jilin Yuan

drivers/thermal/cpufreq_cooling.c

@@ -475,7 +475,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
 
 /**
  * __cpufreq_cooling_register - helper function to create cpufreq cooling device
- * @np: a valid struct device_node to the cooling device device tree node
+ * @np: a valid struct device_node to the cooling device tree node
  * @policy: cpufreq policy
  * Normally this should be same as cpufreq policy->related_cpus.
  * @em: Energy Model of the cpufreq policy

drivers/thermal/thermal_of.c

@@ -630,7 +630,7 @@ EXPORT_SYMBOL_GPL(devm_thermal_zone_of_sensor_register);
 /**
  * devm_thermal_zone_of_sensor_unregister - Resource managed version of
  *				thermal_zone_of_sensor_unregister().
- * @dev: Device for which which resource was allocated.
+ * @dev: Device for which resource was allocated.
  * @tzd: a pointer to struct thermal_zone_device where the sensor is registered.
  *
  * This function removes the sensor callbacks and private data from the