arm64: tegra: Enable HDA on Jetson Xavier

Enable the HDA controller on Jetson Xavier so that it can be used for
audio playback over HDMI.

Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts

@@ -24,6 +24,10 @@ pwm@c340000 {
 			status = "okay";
 		};
 
+		hda@3510000 {
+			status = "okay";
+		};
+
 		host1x@13e00000 {
 			display-hub@15200000 {
 				status = "okay";