iio: pressure: dlhl60d: Don't take garbage into consideration when reading data

Both pressure and temperature are 24-bit long. Use proper accessors
instead of overlapping readings.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220726142048.4494-1-andriy.shevchenko@linux.intel.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/pressure/dlhl60d.c

@@ -129,9 +129,8 @@ static int dlh_read_direct(struct dlh_state *st,
 	if (ret)
 		return ret;
 
-	*pressure = get_unaligned_be32(&st->rx_buf[1]) >> 8;
-	*temperature = get_unaligned_be32(&st->rx_buf[3]) &
-		GENMASK(DLH_NUM_TEMP_BITS - 1, 0);
+	*pressure = get_unaligned_be24(&st->rx_buf[1]);
+	*temperature = get_unaligned_be24(&st->rx_buf[4]);
 
 	return 0;
 }