ASoC: pxa: sync parameter naming (rate/sample_bits)

This patch syncs naming rule.

 - xxx_rates;
 + xxx_rate;

 - xxx_samplebits;
 + xxx_sample_bits;
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87h7niolhf.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/pxa/pxa2xx-i2s.c

@@ -353,7 +353,7 @@ static struct snd_soc_dai_driver pxa_i2s_dai = {
 		.rates = PXA2XX_I2S_RATES,
 		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
 	.ops = &pxa_i2s_dai_ops,
-	.symmetric_rates = 1,
+	.symmetric_rate = 1,
 };
 
 static const struct snd_soc_component_driver pxa_i2s_component = {