ASoC: fsi: Use of_device_get_match_data() helper

Use the of_device_get_match_data() helper instead of open coding.
Note that when used with DT, there's always a valid match.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/fsi.c

@@ -1932,14 +1932,9 @@ static int fsi_probe(struct platform_device *pdev)
 
 	core = NULL;
 	if (np) {
-		const struct of_device_id *of_id;
-
-		of_id = of_match_device(fsi_of_match, &pdev->dev);
-		if (of_id) {
-			core = of_id->data;
+		core = of_device_get_match_data(&pdev->dev);
 		fsi_of_parse("fsia", np, &info.port_a, &pdev->dev);
 		fsi_of_parse("fsib", np, &info.port_b, &pdev->dev);
-		}
 	} else {
 		const struct platform_device_id	*id_entry = pdev->id_entry;
 		if (id_entry)