ARM: tegra: add clocks property to sound nodes

Audio-related clocks need to be represented in the device tree. Update
bindings to describe which clocks are needed, and DT files to include
those clocks.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index a9f3f06..51b3a44 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -376,5 +376,8 @@
 		compatible = "nvidia,tegra-audio-trimslice";
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&codec>;
+
+		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 93>;
+		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };