ASoC: sigmadsp: Remove the repeated declaration

Function 'sigmadsp_reset' is declared twice, so remove the repeated
declaration.

Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Link: https://lore.kernel.org/r/1622279690-3740-1-git-send-email-zhangshaokun@hisilicon.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/sigmadsp.h

@@ -44,7 +44,6 @@ struct sigmadsp {
 
 struct sigmadsp *devm_sigmadsp_init(struct device *dev,
 	const struct sigmadsp_ops *ops, const char *firmware_name);
-void sigmadsp_reset(struct sigmadsp *sigmadsp);
 
 int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,
 	struct snd_pcm_substream *substream);