thermal: thermal_of: fix typo on __thermal_bind_params

Add a missing s to __thermal_bind_param kernel doc comment.
This fixes the following sparse warnings:
drivers/thermal/thermal_of.c:50: warning: expecting prototype for struct __thermal_bind_param. Prototype was for struct __thermal_bind_params instead
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Link: https://lore.kernel.org/r/20220426064113.3787826-1-clabbe@baylibre.comSigned-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

drivers/thermal/thermal_of.c

@@ -35,7 +35,7 @@ struct __thermal_cooling_bind_param {
 };
 
 /**
- * struct __thermal_bind_param - a match between trip and cooling device
+ * struct __thermal_bind_params - a match between trip and cooling device
  * @tcbp: a pointer to an array of cooling devices
  * @count: number of elements in array
  * @trip_id: the trip point index