dts: arm64: imx95_a55: add SCMI power device node

Added SCMI power dts node.

Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>

Author: JiafeiPan

dts/arm64/nxp/nxp_mimx95_a55.dtsi

@@ -107,6 +107,12 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 
+			scmi_devpd: protocol@11 {
+				compatible = "arm,scmi-power";
+				reg = <0x11>;
+				#power-domain-cells = <1>;
+			};
+
 			scmi_clk: protocol@14 {
 				compatible = "arm,scmi-clock";
 				reg = <0x14>;