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/arch/arm/mach-tegra/devices.c b/arch/arm/mach-tegra/devices.c
index c3b9900..d6c9b26 100644
--- a/arch/arm/mach-tegra/devices.c
+++ b/arch/arm/mach-tegra/devices.c
@@ -671,14 +671,14 @@
 };
 
 struct platform_device tegra_i2s_device1 = {
-	.name		= "tegra-i2s",
+	.name		= "tegra20-i2s",
 	.id		= 0,
 	.resource	= i2s_resource1,
 	.num_resources	= ARRAY_SIZE(i2s_resource1),
 };
 
 struct platform_device tegra_i2s_device2 = {
-	.name		= "tegra-i2s",
+	.name		= "tegra20-i2s",
 	.id		= 1,
 	.resource	= i2s_resource2,
 	.num_resources	= ARRAY_SIZE(i2s_resource2),
@@ -693,7 +693,7 @@
 };
 
 struct platform_device tegra_das_device = {
-	.name		= "tegra-das",
+	.name		= "tegra20-das",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(tegra_das_resources),
 	.resource	= tegra_das_resources,