arm64: dts: rockchip: enable HDMI out audio on Khadas Edge2

Enable HDMI out audio on the Khadas Edge2.

Signed-off-by: Jacobe Zang <jacobe.zang@wesion.com>
Link: https://lore.kernel.org/r/20250424-edge-v1-3-314aad01d9ab@wesion.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts

@@ -217,6 +217,10 @@
 	status = "okay";
 };
 
+&hdmi0_sound {
+	status = "okay";
+};
+
 &i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c0m2_xfer>;
@@ -269,6 +273,10 @@
 	};
 };
 
+&i2s5_8ch {
+	status = "okay";
+};
+
 &pd_gpu {
 	domain-supply = <&vdd_gpu_s0>;
 };