ARM: OMAP: add DT support for ti,dm816-timer

Adds ti,dm816-timer to the dmtimer OF match table.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/dmtimer.c

@@ -972,6 +972,10 @@ static const struct of_device_id omap_timer_match[] = {
 		.compatible = "ti,am335x-timer-1ms",
 		.data = &omap3plus_pdata,
 	},
+	{
+		.compatible = "ti,dm816-timer",
+		.data = &omap3plus_pdata,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, omap_timer_match);