ASoC: twl6040: Add back support for legacy mode

The legacy mode has been accidentaly removed by commit:
ASoC: twl6040: add all ABE DAIs

Add back the twl6040-hifi dai.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/twl6040.c

@@ -1463,6 +1463,24 @@ static struct snd_soc_dai_ops twl6040_dai_ops = {
 };
 
 static struct snd_soc_dai_driver twl6040_dai[] = {
+{
+	.name = "twl6040-hifi",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = TWL6040_RATES,
+		.formats = TWL6040_FORMATS,
+	},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = TWL6040_RATES,
+		.formats = TWL6040_FORMATS,
+	},
+	.ops = &twl6040_dai_ops,
+},
 {
 	.name = "twl6040-ul",
 	.capture = {