SoC: dwc: trivial fix of spelling mistake "unsuppted" -> "unsupported"

trivial fix to spelling mistake in dev_err message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/dwc/designware_i2s.c

@@ -255,7 +255,7 @@ static int dw_i2s_hw_params(struct snd_pcm_substream *substream,
 		break;
 
 	default:
-		dev_err(dev->dev, "designware-i2s: unsuppted PCM fmt");
+		dev_err(dev->dev, "designware-i2s: unsupported PCM fmt");
 		return -EINVAL;
 	}