Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile
index af49b44..7c9cb80 100644
--- a/scripts/basic/Makefile
+++ b/scripts/basic/Makefile
@@ -1,15 +1,6 @@
-###
-# This Makefile lists the most basic programs used during the build process.
-# The programs listed herein are what are needed to do the basic stuff,
-# such as fix file dependencies.
-# This initial step is needed to avoid files to be recompiled
-# when kernel configuration changes (which is what happens when
-# .config is included by main Makefile.
-# ---------------------------------------------------------------------------
-# fixdep: 	 Used to generate dependency information during build process
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# fixdep: used to generate dependency information during build process
 
 hostprogs-y	:= fixdep
 always		:= $(hostprogs-y)
-
-# fixdep is needed to compile other host programs
-$(addprefix $(obj)/,$(filter-out fixdep,$(always))): $(obj)/fixdep