ASoC: wm8782: add device-tree matching table

This is needed when the codec is instanciated from from a device tree.
Signed-off-by: NDaniel Mack <daniel@zonque.org>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/wm8782.c

@@ -67,9 +67,18 @@ static int wm8782_probe(struct platform_device *pdev)
 			&soc_component_dev_wm8782, &wm8782_dai, 1);
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id wm8782_of_match[] = {
+	{ .compatible = "wlf,wm8782", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, wm8782_of_match);
+#endif
+
 static struct platform_driver wm8782_codec_driver = {
 	.driver = {
 		.name = "wm8782",
+		.of_match_table = of_match_ptr(wm8782_of_match),
 	},
 	.probe = wm8782_probe,
 };