ASoC: samsung: Rename DMA platform registration functions

The current naming with a simple asoc_ prefix is too generic for use in
multiplatform kernels.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index dd995a7..8200fc1 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1146,7 +1146,7 @@
 		snd_soc_register_component(&sec_dai->pdev->dev,
 					   &samsung_i2s_component,
 					   &sec_dai->i2s_dai_drv, 1);
-		asoc_dma_platform_register(&pdev->dev);
+		samsung_asoc_dma_platform_register(&pdev->dev);
 		return 0;
 	}
 
@@ -1263,7 +1263,7 @@
 
 	pm_runtime_enable(&pdev->dev);
 
-	asoc_dma_platform_register(&pdev->dev);
+	samsung_asoc_dma_platform_register(&pdev->dev);
 
 	return 0;
 err:
@@ -1293,7 +1293,7 @@
 	i2s->pri_dai = NULL;
 	i2s->sec_dai = NULL;
 
-	asoc_dma_platform_unregister(&pdev->dev);
+	samsung_asoc_dma_platform_unregister(&pdev->dev);
 	snd_soc_unregister_component(&pdev->dev);
 
 	return 0;