ASoC: sirf-audio: Remove redundant of_match_node call

Unlike other drivers probe method, of_match_node return value
is not used or checked. This patch removes the redundant code.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/sirf-audio-codec.c

@@ -461,9 +461,6 @@ static int sirf_audio_codec_driver_probe(struct platform_device *pdev)
 	struct sirf_audio_codec *sirf_audio_codec;
 	void __iomem *base;
 	struct resource *mem_res;
-	const struct of_device_id *match;
-
-	match = of_match_node(sirf_audio_codec_of_match, pdev->dev.of_node);
 
 	sirf_audio_codec = devm_kzalloc(&pdev->dev,
 		sizeof(struct sirf_audio_codec), GFP_KERNEL);