arm64: dts: mediatek: cherry: Enable the Audio DSP for SOF

This platform is able to use the Audio DSP embedded into the
MT8195 SoC: in preparation for adding audio support for Cherry,
add the ADSP related memory nodes and enable it.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220922094908.41623-3-angelogioacchino.delregno@collabora.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi

@@ -118,14 +118,32 @@ scp_mem: memory@50000000 {
 			no-map;
 		};
 
+		adsp_mem: memory@60000000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x60000000 0 0xd80000>;
+			no-map;
+		};
+
 		afe_mem: memory@60d80000 {
 			compatible = "shared-dma-pool";
 			reg = <0 0x60d80000 0 0x100000>;
 			no-map;
 		};
+
+		adsp_device_mem: memory@60e80000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x60e80000 0 0x280000>;
+			no-map;
+		};
 	};
 };
 
+&adsp {
+	status = "okay";
+
+	memory-region = <&adsp_device_mem>, <&adsp_mem>;
+};
+
 &afe {
 	status = "okay";