ASoC: Mediatek: MT8183: Fix fall-through warning for Clang

Fix the following fallthrough warning:

sound/soc/mediatek/mt8183/mt8183-dai-adda.c:342:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

sound/soc/mediatek/mt8183/mt8183-dai-adda.c

@@ -341,6 +341,7 @@ static int set_mtkaif_rx(struct mtk_base_afe *afe)
 	case MT8183_MTKAIF_PROTOCOL_1:
 		regmap_write(afe->regmap, AFE_AUD_PAD_TOP, 0x31);
 		regmap_write(afe->regmap, AFE_ADDA_MTKAIF_CFG0, 0x0);
+		break;
 	default:
 		break;
 	}