ASoC: ab8500: 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/87k0sen6tl.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/ab8500-codec.c

@@ -2384,7 +2384,7 @@ static struct snd_soc_dai_driver ab8500_codec_dai[] = {
 			.formats = AB8500_SUPPORTED_FMT,
 		},
 		.ops = &ab8500_codec_ops,
-		.symmetric_rates = 1
+		.symmetric_rate = 1
 	},
 	{
 		.name = "ab8500-codec-dai.1",
@@ -2397,7 +2397,7 @@ static struct snd_soc_dai_driver ab8500_codec_dai[] = {
 			.formats = AB8500_SUPPORTED_FMT,
 		},
 		.ops = &ab8500_codec_ops,
-		.symmetric_rates = 1
+		.symmetric_rate = 1
 	}
 };