ASoC: nuc900: make snd_soc_platform_driver const

Make this const as it is only passed as the 2nd argument to the
function devm_snd_soc_register_platform, which is of type const.
Done using Coccinelle

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/nuc900/nuc900-pcm.c

@@ -299,7 +299,7 @@ static int nuc900_dma_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static struct snd_soc_platform_driver nuc900_soc_platform = {
+static const struct snd_soc_platform_driver nuc900_soc_platform = {
 	.ops		= &nuc900_dma_ops,
 	.pcm_new	= nuc900_dma_new,
 };