thermal/of: Use kcalloc() instead of kzalloc() with multiplication

According to the latest recommendations, kcalloc() should be used
instead of kzalloc() with multiplication (which might overflow).

Switch to this new scheme and use more safe kcalloc().

No functional impact.

Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://patch.msgid.link/20250224173432.1946070-2-lukasz.luba@arm.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: lukaszluba-arm

drivers/thermal/thermal_of.c

@@ -107,7 +107,7 @@ static struct thermal_trip *thermal_of_trips_init(struct device_node *np, int *n
 	if (!count)
 		return NULL;
 
-	struct thermal_trip *tt __free(kfree) = kzalloc(sizeof(*tt) * count, GFP_KERNEL);
+	struct thermal_trip *tt __free(kfree) = kcalloc(count, sizeof(*tt), GFP_KERNEL);
 	if (!tt)
 		return ERR_PTR(-ENOMEM);