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-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index d37f5c2..6a27c5d 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -225,9 +225,7 @@
 	},
 };
 
-static struct snd_platform_data dm644x_evm_snd_data = {
-	.clk_name	= "asp0",
-};
+static struct snd_platform_data dm644x_evm_snd_data;
 
 /*----------------------------------------------------------------------*/