Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index 892bd75..f790663 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -100,6 +100,7 @@
 	struct hlist_head services[TIPC_NAMETBL_SIZE];
 	struct list_head node_scope;
 	struct list_head cluster_scope;
+	rwlock_t cluster_scope_lock;
 	u32 local_publ_count;
 };