Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/iio/temperature/tmp007.c b/drivers/iio/temperature/tmp007.c
index 0e3f2d4..7df234d 100644
--- a/drivers/iio/temperature/tmp007.c
+++ b/drivers/iio/temperature/tmp007.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tmp007.c - Support for TI TMP007 IR thermopile sensor with integrated math engine
  *
  * Copyright (c) 2017 Manivannan Sadhasivam <manivannanece23@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Driver for the Texas Instruments I2C 16-bit IR thermopile sensor
  *
  * (7-bit I2C slave address (0x40 - 0x47), changeable via ADR pins)
@@ -15,7 +12,6 @@
  * 1. This driver assumes that the sensor has been calibrated beforehand
  * 2. Limit threshold events are enabled at the start
  * 3. Operating mode: INT
- *
  */
 
 #include <linux/err.h>