thermal: use %d to print S32 parameters

Power allocator's parameters are S32 type, so use %d to print them.
Acked-by: NJavi Merino <javi.merino@arm.com>
Signed-off-by: NLeo Yan <leo.yan@linaro.org>
Signed-off-by: NEduardo Valentin <edubezval@gmail.com>

drivers/thermal/thermal_core.c

@@ -959,7 +959,7 @@ static DEVICE_ATTR(sustainable_power, S_IWUSR | S_IRUGO, sustainable_power_show,
 	struct thermal_zone_device *tz = to_thermal_zone(dev);		\
 									\
 	if (tz->tzp)							\
-		return sprintf(buf, "%u\n", tz->tzp->name);		\
+		return sprintf(buf, "%d\n", tz->tzp->name);		\
 	else								\
 		return -EIO;						\
 	}								\