Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/media/dvb-frontends/si2168.h b/drivers/media/dvb-frontends/si2168.h
index d519edd..50dccb3 100644
--- a/drivers/media/dvb-frontends/si2168.h
+++ b/drivers/media/dvb-frontends/si2168.h
@@ -1,17 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Silicon Labs Si2168 DVB-T/T2/C demodulator driver
  *
  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
- *
- *    This program is free software; you can redistribute it and/or modify
- *    it under the terms of the GNU General Public License as published by
- *    the Free Software Foundation; either version 2 of the License, or
- *    (at your option) any later version.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU General Public License for more details.
  */
 
 #ifndef SI2168_H
@@ -39,6 +30,7 @@
 #define SI2168_TS_PARALLEL	0x06
 #define SI2168_TS_SERIAL	0x03
 #define SI2168_TS_TRISTATE	0x00
+#define SI2168_TS_CLK_MANUAL	0x20
 	u8 ts_mode;
 
 	/* TS clock inverted */