Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/xen/time.c b/drivers/xen/time.c
index 3e741cd..0968859 100644
--- a/drivers/xen/time.c
+++ b/drivers/xen/time.c
@@ -175,7 +175,7 @@
 	xen_runstate_remote = !HYPERVISOR_vm_assist(VMASST_CMD_enable,
 					VMASST_TYPE_runstate_update_flag);
 
-	pv_time_ops.steal_clock = xen_steal_clock;
+	pv_ops.time.steal_clock = xen_steal_clock;
 
 	static_key_slow_inc(&paravirt_steal_enabled);
 	if (xen_runstate_remote)