ASoC: convert Tegra20 SPDIF 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_spdif.h b/sound/soc/tegra/tegra20_spdif.h
index 823af4c..ed75652 100644
--- a/sound/soc/tegra/tegra20_spdif.h
+++ b/sound/soc/tegra/tegra20_spdif.h
@@ -464,8 +464,7 @@
 	struct clk *clk_spdif_out;
 	struct tegra_pcm_dma_params capture_dma_data;
 	struct tegra_pcm_dma_params playback_dma_data;
-	void __iomem *regs;
-	struct dentry *debug;
+	struct regmap *regmap;
 	u32 reg_ctrl;
 };