ASoC: ssm2602: 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/87r1mmn6ub.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/ssm2602.c

@@ -526,8 +526,8 @@ static struct snd_soc_dai_driver ssm2602_dai = {
 		.rates = SSM2602_RATES,
 		.formats = SSM2602_FORMATS,},
 	.ops = &ssm2602_dai_ops,
-	.symmetric_rates = 1,
-	.symmetric_samplebits = 1,
+	.symmetric_rate = 1,
+	.symmetric_sample_bits = 1,
 };
 
 static int ssm2602_resume(struct snd_soc_component *component)