Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/net/wireless/ath/Kconfig b/drivers/net/wireless/ath/Kconfig
index 82ab7c3..56616d9 100644
--- a/drivers/net/wireless/ath/Kconfig
+++ b/drivers/net/wireless/ath/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: ISC
 config ATH_COMMON
 	tristate
 
@@ -33,7 +34,7 @@
        depends on ATH_DEBUG
        depends on EVENT_TRACING
        ---help---
-         This option enables tracepoints for atheros wireless drivers.
+	 This option enables tracepoints for atheros wireless drivers.
 	 Currently, ath9k makes use of this facility.
 
 config ATH_REG_DYNAMIC_USER_REG_HINTS