thermal: devfreq_cooling: Appease the kernel-doc deity

Fix up the following warnings with make W=1:

linux.git/drivers/thermal/devfreq_cooling.c:68: warning: Function
parameter or member 'capped_state' not described in
'devfreq_cooling_device'
linux.git/drivers/thermal/devfreq_cooling.c:593: warning: Function
parameter or member 'cdev' not described in 'devfreq_cooling_unregister'
linux.git/drivers/thermal/devfreq_cooling.c:593: warning: Excess
function parameter 'dfc' description in 'devfreq_cooling_unregister'
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/7059d82472fe12139fc7a3379c5b9716a23cce5c.1574242756.git.amit.kucheria@linaro.org

drivers/thermal/devfreq_cooling.c

@@ -53,6 +53,7 @@ static DEFINE_IDA(devfreq_ida);
  *		'utilization' (which is	'busy_time / 'total_time').
  *		The 'res_util' range is from 100 to (power_table[state] * 100)
  *		for the corresponding 'state'.
+ * @capped_state:	index to cooling state with in dynamic power budget
  */
 struct devfreq_cooling_device {
 	int id;
@@ -587,7 +588,7 @@ EXPORT_SYMBOL_GPL(devfreq_cooling_register);
 
 /**
  * devfreq_cooling_unregister() - Unregister devfreq cooling device.
- * @dfc: Pointer to devfreq cooling device to unregister.
+ * @cdev: Pointer to devfreq cooling device to unregister.
  */
 void devfreq_cooling_unregister(struct thermal_cooling_device *cdev)
 {