iio: common: hid-sensors: use tab for indention

This fixes the error reported by checkpatch.pl:

ERROR: code indent should use tabs where possible
Signed-off-by: Slawomir Stepien <sst@poczta.fm>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/common/hid-sensors/hid-sensor-trigger.c

@@ -115,7 +115,7 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state)
 		return ret;
 	}
 
- 	return 0;
+	return 0;
 #else
 	atomic_set(&st->user_requested_state, state);
 	return _hid_sensor_power_state(st, state);