Update to kernel headers v5.2.

Test: Booted a taimen, ran unit bionic unit tests.
Change-Id: I3522c59793bbcef98ea515996a481d92f14b8816
diff --git a/libc/kernel/uapi/linux/tipc_netlink.h b/libc/kernel/uapi/linux/tipc_netlink.h
index 911bbde..3721118 100644
--- a/libc/kernel/uapi/linux/tipc_netlink.h
+++ b/libc/kernel/uapi/linux/tipc_netlink.h
@@ -212,6 +212,8 @@
   TIPC_NLA_PROP_TOL,
   TIPC_NLA_PROP_WIN,
   TIPC_NLA_PROP_MTU,
+  TIPC_NLA_PROP_BROADCAST,
+  TIPC_NLA_PROP_BROADCAST_RATIO,
   __TIPC_NLA_PROP_MAX,
   TIPC_NLA_PROP_MAX = __TIPC_NLA_PROP_MAX - 1
 };