Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/perf/Build b/tools/perf/Build
index e5232d5..5f392db 100644
--- a/tools/perf/Build
+++ b/tools/perf/Build
@@ -46,10 +46,10 @@
 CFLAGS_builtin-report.o	   += -DTIPDIR="BUILD_STR($(tipdir_SQ))"
 CFLAGS_builtin-report.o	   += -DDOCDIR="BUILD_STR($(srcdir_SQ)/Documentation)"
 
-libperf-y += util/
-libperf-y += arch/
-libperf-y += ui/
-libperf-y += scripts/
-libperf-$(CONFIG_TRACE) += trace/beauty/
+perf-y += util/
+perf-y += arch/
+perf-y += ui/
+perf-y += scripts/
+perf-$(CONFIG_TRACE) += trace/beauty/
 
 gtk-y += ui/gtk/