clocksource: em_sti: Add DT support

Update the em-sti driver to support DT.

Signed-off-by: Magnus Damm <[e-mail]>
Cc: [e-mail]
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Link: http://lkml.kernel.org/r/20120509143950.27521.7949.sendpatchset@w520
Signed-off-by: Thomas Gleixner <[e-mail]>

drivers/clocksource/em_sti.c

···
 	return -EBUSY; /* cannot unregister clockevent and clocksource */
 }
 
+static const struct of_device_id em_sti_dt_ids[] __devinitconst = {
+	{ .compatible = "renesas,em-sti", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, em_sti_dt_ids);
+
 static struct platform_driver em_sti_device_driver = {
 	.probe		= em_sti_probe,
 	.remove		= __devexit_p(em_sti_remove),
 	.driver		= {
 		.name	= "em_sti",
+		.of_match_table = em_sti_dt_ids,
 	}
 };