davinci: audio clocks: use struct device instead of clock names

There is no need to pass clock name strings in platform_data.
Instead, setup clkdev nodes to have correct ASoC device names.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 4ef6dbe..38157f7 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -117,9 +117,7 @@
 	.bus_delay	= 0	/* usec */,
 };
 
-static struct snd_platform_data dm355_evm_snd_data = {
-	.clk_name	= "asp1",
-};
+static struct snd_platform_data dm355_evm_snd_data;
 
 static int dm355evm_mmc_gpios = -EINVAL;