arm64: dts: mediatek: mt8188: Add VDOSYS0/1 support for multimedia

Add support for the two VDOSYS blocks in MT8188, later on used for
various Multimedia related IP, including display and video codecs.

Link: https://lore.kernel.org/r/20240527093908.97574-4-angelogioacchino.delregno@collabora.comSigned-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

arch/arm64/boot/dts/mediatek/mt8188.dtsi

@@ -969,5 +969,22 @@ vencsys: clock-controller@1a000000 {
 			reg = <0 0x1a000000 0 0x1000>;
 			#clock-cells = <1>;
 		};
+
+		vdosys0: syscon@1c01d000 {
+			compatible = "mediatek,mt8188-vdosys0", "syscon";
+			reg = <0 0x1c01d000 0 0x1000>;
+			#clock-cells = <1>;
+			mboxes = <&gce0 0 CMDQ_THR_PRIO_4>;
+			mediatek,gce-client-reg = <&gce0 SUBSYS_1c01XXXX 0xd000 0x1000>;
+		};
+
+		vdosys1: syscon@1c100000 {
+			compatible = "mediatek,mt8188-vdosys1", "syscon";
+			reg = <0 0x1c100000 0 0x1000>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+			mboxes = <&gce0 1 CMDQ_THR_PRIO_4>;
+			mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0 0x1000>;
+		};
 	};
 };