Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index f0c5651..aad419b 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -6,9 +6,10 @@
 #define SBUILD_ID_SIZE	(BUILD_ID_SIZE * 2 + 1)
 
 #include "tool.h"
-#include "namespaces.h"
 #include <linux/types.h>
 
+struct nsinfo;
+
 extern struct perf_tool build_id__mark_dso_hit_ops;
 struct dso;
 struct feat_fd;
@@ -23,7 +24,7 @@
 			     bool is_debug);
 
 int build_id__mark_dso_hit(struct perf_tool *tool, union perf_event *event,
-			   struct perf_sample *sample, struct perf_evsel *evsel,
+			   struct perf_sample *sample, struct evsel *evsel,
 			   struct machine *machine);
 
 int dsos__hit_all(struct perf_session *session);