ASoC: tas2764: Allow mono streams

The part is a mono speaker amp, but it can do downmix and switch between
left and right channel, so the right channel range is 1 to 2.

(This mirrors commit bf54d97a83 ("ASoC: tas2770: Allow mono streams")
which was a fix to the tas2770 driver.)

Fixes: 827ed8a0fa ("ASoC: tas2764: Add the driver for the TAS2764")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220825140241.53963-2-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/tas2764.c

@@ -485,7 +485,7 @@ static struct snd_soc_dai_driver tas2764_dai_driver[] = {
 		.id = 0,
 		.playback = {
 			.stream_name    = "ASI1 Playback",
-			.channels_min   = 2,
+			.channels_min   = 1,
 			.channels_max   = 2,
 			.rates      = TAS2764_RATES,
 			.formats    = TAS2764_FORMATS,