STOPSHIP: arm64: dts: mt8192: Add missing gce-client-reg to mutex node

arch/arm64/boot/dts/mediatek/mt8192.dtsi

@@ -1014,6 +1014,7 @@ mutex: mutex@14001000 {
 			reg = <0 0x14001000 0 0x1000>;
 			interrupts = <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH 0>;
 			clocks = <&mmsys CLK_MM_DISP_MUTEX0>;
+			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x1000 0x1000>;
 			mediatek,gce-events = <CMDQ_EVENT_DISP_STREAM_DONE_ENG_EVENT_0>,
 					      <CMDQ_EVENT_DISP_STREAM_DONE_ENG_EVENT_1>;
 		};