ACPI / thermal: Use THERMAL_TRIPS_NONE macro to replace number

It's unreadable to pass "-1" as trip parameter directly to
thermal_zone_bind_cooling_device(). Use THERMAL_TRIPS_NONE instead.

Signed-off-by: Lan Tianyu <[e-mail]>
Acked-by: Zhang Rui <[e-mail]>
Acked-by: Durgadoss R <[e-mail]>
Signed-off-by: Rafael J. Wysocki <[e-mail]>

drivers/acpi/thermal.c

···
 		if (ACPI_SUCCESS(status) && (dev == device)) {
 			if (bind)
 				result = thermal_zone_bind_cooling_device
-						(thermal, -1, cdev,
-						 THERMAL_NO_LIMIT,
+						(thermal, THERMAL_TRIPS_NONE,
+						 cdev, THERMAL_NO_LIMIT,
 						 THERMAL_NO_LIMIT);
 			else
 				result = thermal_zone_unbind_cooling_device
-						(thermal, -1, cdev);
+						(thermal, THERMAL_TRIPS_NONE,
+						 cdev);
 			if (result)
 				goto failed;
 		}