Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/perf/arch/Build b/tools/perf/arch/Build
index d9b6af83..6888188 100644
--- a/tools/perf/arch/Build
+++ b/tools/perf/arch/Build
@@ -1,2 +1,2 @@
-libperf-y += common.o
-libperf-y += $(SRCARCH)/
+perf-y += common.o
+perf-y += $(SRCARCH)/