ASoC: uda1380: fix regression by adding back .read/.write

commit c001bf633a9 ("ASoC: use internal reg_cache on uda1380")
removed .read/.write from driver, but it might breaks non-regmap
driver, because ALSA SoC framework might call it.

To fix this regression, this patch back .read/.write

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/uda1380.c

@@ -726,6 +726,8 @@ static int uda1380_probe(struct snd_soc_codec *codec)
 
 static const struct snd_soc_codec_driver soc_codec_dev_uda1380 = {
 	.probe =	uda1380_probe,
+	.read =		uda1380_read_reg_cache,
+	.write =	uda1380_write,
 	.set_bias_level = uda1380_set_bias_level,
 	.suspend_bias_off = true,