platform/x86: acerhdf: Add const to thermal_cooling_device_ops structure

Declare thermal_cooling_device_ops structure as const as it is only passed
as an argument to the function thermal_cooling_device_register and this
argument is of type const. So, declare the structure as const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

drivers/platform/x86/acerhdf.c

@@ -557,7 +557,7 @@ static int acerhdf_set_cur_state(struct thermal_cooling_device *cdev,
 }
 
 /* bind fan callbacks to fan device */
-static struct thermal_cooling_device_ops acerhdf_cooling_ops = {
+static const struct thermal_cooling_device_ops acerhdf_cooling_ops = {
 	.get_max_state = acerhdf_get_max_state,
 	.get_cur_state = acerhdf_get_cur_state,
 	.set_cur_state = acerhdf_set_cur_state,