iio: light: acpi-als: Use iio_push_to_buffers_with_ts() to allow runtime source size check

This function allows for runtime detection of undersized storage which
can be non obvious due to the injection of a timestamp within the helper.

Cc: Gwendal Grignou <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>

drivers/iio/light/acpi-als.c

···
 	if (!pf->timestamp)
 		pf->timestamp = iio_get_time_ns(indio_dev);
 
-	iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp);
+	iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan), pf->timestamp);
 out:
 	mutex_unlock(&als->lock);
 	iio_trigger_notify_done(indio_dev->trig);