Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/uapi/linux/netlink.h b/include/uapi/linux/netlink.h
index 776bc92..0a4d733 100644
--- a/include/uapi/linux/netlink.h
+++ b/include/uapi/linux/netlink.h
@@ -155,6 +155,7 @@
 #define NETLINK_LIST_MEMBERSHIPS	9
 #define NETLINK_CAP_ACK			10
 #define NETLINK_EXT_ACK			11
+#define NETLINK_GET_STRICT_CHK		12
 
 struct nl_pktinfo {
 	__u32	group;