arm64: tegra: APE sound card for Jetson AGX Orin

Add audio-graph based sound card support on Jetson AGX Orin
platform. The sound card binds following modules:
 * I/O interfaces such as I2S and DMIC (to be specific I2S1,
   I2S2, I2S4, I2S6 and DMIC3 instances).
 * HW accelerators such as MVC, SFC, AMX, ADX and Mixer (all
   the available instances).
Signed-off-by: NSameer Pujar <spujar@nvidia.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra234.dtsi

@@ -1671,6 +1671,20 @@
 		status = "disabled";
 	};
 
+	sound {
+		status = "disabled";
+
+		clocks = <&bpmp TEGRA234_CLK_PLLA>,
+			 <&bpmp TEGRA234_CLK_PLLA_OUT0>;
+		clock-names = "pll_a", "plla_out0";
+		assigned-clocks = <&bpmp TEGRA234_CLK_PLLA>,
+				  <&bpmp TEGRA234_CLK_PLLA_OUT0>,
+				  <&bpmp TEGRA234_CLK_AUD_MCLK>;
+		assigned-clock-parents = <0>,
+					 <&bpmp TEGRA234_CLK_PLLA>,
+					 <&bpmp TEGRA234_CLK_PLLA_OUT0>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,