clocksource: sunxi_timer: Add terminating entry for sunxi_timer_dt_ids

The of_device_id table is supposed to be zero-terminated.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/drivers/clocksource/sunxi_timer.c b/drivers/clocksource/sunxi_timer.c
index 3c46434..3cd1bd3 100644
--- a/drivers/clocksource/sunxi_timer.c
+++ b/drivers/clocksource/sunxi_timer.c
@@ -101,6 +101,7 @@
 
 static struct of_device_id sunxi_timer_dt_ids[] = {
 	{ .compatible = "allwinner,sunxi-timer" },
+	{ }
 };
 
 static void __init sunxi_timer_init(void)