Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/atm/svc.c b/net/atm/svc.c
index 2f91b76..908cbb8 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -641,6 +641,7 @@
 #ifdef CONFIG_COMPAT
 	.compat_ioctl =	svc_compat_ioctl,
 #endif
+	.gettstamp =	sock_gettstamp,
 	.listen =	svc_listen,
 	.shutdown =	svc_shutdown,
 	.setsockopt =	svc_setsockopt,