ASoC: tegra: complete Tegra->Tegra20 renaming

Rename Tegra20-specific Kconfig variables, module filenames, all internal
symbol names, clocks, and platform devices, to reflect the fact the DAS
and I2S drivers are for a specific HW version.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig
index d51945e..556cac2 100644
--- a/sound/soc/tegra/Kconfig
+++ b/sound/soc/tegra/Kconfig
@@ -4,29 +4,29 @@
 	help
 	  Say Y or M here if you want support for SoC audio on Tegra.
 
-config SND_SOC_TEGRA_DAS
+config SND_SOC_TEGRA20_DAS
 	tristate
 	depends on SND_SOC_TEGRA && ARCH_TEGRA_2x_SOC
 	help
-	  Say Y or M if you want to add support for the Tegra DAS module.
+	  Say Y or M if you want to add support for the Tegra20 DAS module.
 	  You will also need to select the individual machine drivers to
 	  support below.
 
-config SND_SOC_TEGRA_I2S
+config SND_SOC_TEGRA20_I2S
 	tristate
 	depends on SND_SOC_TEGRA && ARCH_TEGRA_2x_SOC
-	select SND_SOC_TEGRA_DAS
+	select SND_SOC_TEGRA20_DAS
 	help
 	  Say Y or M if you want to add support for codecs attached to the
-	  Tegra I2S interface. You will also need to select the individual
+	  Tegra20 I2S interface. You will also need to select the individual
 	  machine drivers to support below.
 
-config SND_SOC_TEGRA_SPDIF
+config SND_SOC_TEGRA20_SPDIF
 	tristate
 	depends on SND_SOC_TEGRA && ARCH_TEGRA_2x_SOC
 	default m
 	help
-	  Say Y or M if you want to add support for the SPDIF interface.
+	  Say Y or M if you want to add support for the Tegra20 SPDIF interface.
 	  You will also need to select the individual machine drivers to support
 	  below.
 
@@ -41,7 +41,7 @@
 	tristate "SoC Audio support for Tegra boards using a WM8903 codec"
 	depends on SND_SOC_TEGRA && I2C
 	depends on MACH_HAS_SND_SOC_TEGRA_WM8903
-	select SND_SOC_TEGRA_I2S if ARCH_TEGRA_2x_SOC
+	select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC
 	select SND_SOC_WM8903
 	help
 	  Say Y or M here if you want to add support for SoC audio on Tegra
@@ -51,7 +51,7 @@
 config SND_SOC_TEGRA_TRIMSLICE
 	tristate "SoC Audio support for TrimSlice board"
 	depends on SND_SOC_TEGRA && MACH_TRIMSLICE && I2C
-	select SND_SOC_TEGRA_I2S if ARCH_TEGRA_2x_SOC
+	select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC
 	select SND_SOC_TLV320AIC23
 	help
 	  Say Y or M here if you want to add support for SoC audio on the
@@ -60,7 +60,7 @@
 config SND_SOC_TEGRA_ALC5632
 	tristate "SoC Audio support for Tegra boards using an ALC5632 codec"
 	depends on SND_SOC_TEGRA && I2C
-	select SND_SOC_TEGRA_I2S if ARCH_TEGRA_2x_SOC
+	select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC
 	select SND_SOC_ALC5632
 	help
 	  Say Y or M here if you want to add support for SoC audio on the