ASoC: convert Tegra20 DAS driver to regmap

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/tegra/tegra20_das.h b/sound/soc/tegra/tegra20_das.h
index ade4fe0..be217f3 100644
--- a/sound/soc/tegra/tegra20_das.h
+++ b/sound/soc/tegra/tegra20_das.h
@@ -85,8 +85,7 @@
 
 struct tegra20_das {
 	struct device *dev;
-	void __iomem *regs;
-	struct dentry *debug;
+	struct regmap *regmap;
 };
 
 /*