ASoC: fsi: don't use discriminatory terms for comment

fsi is using discriminatory terms for comment.
This patch removes it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87eepf3qqs.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/fsi.c

@@ -1632,12 +1632,12 @@ static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 	struct fsi_priv *fsi = fsi_get_priv_frm_dai(dai);
 	int ret;
 
-	/* set master/slave audio interface */
+	/* set clock master audio interface */
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 	case SND_SOC_DAIFMT_CBM_CFM:
 		break;
 	case SND_SOC_DAIFMT_CBS_CFS:
-		fsi->clk_master = 1; /* codec is slave, cpu is master */
+		fsi->clk_master = 1; /* cpu is master */
 		break;
 	default:
 		return -EINVAL;