riscv: sophgo: dts: Add msi controller for SG2042

Add msi-controller node to dts for SG2042.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/f47c6c3f0309a543d495cb088d6c8c5750bb5647.1740535748.git.unicorn_wang@outlook.com

Author: unicornx

arch/riscv/boot/dts/sophgo/sg2042.dtsi

@@ -173,6 +173,16 @@
 			#clock-cells = <1>;
 		};
 
+		msi: msi-controller@7030010304 {
+			compatible = "sophgo,sg2042-msi";
+			reg = <0x70 0x30010304 0x0 0x4>,
+			      <0x70 0x30010300 0x0 0x4>;
+			reg-names = "clr", "doorbell";
+			msi-controller;
+			#msi-cells = <0>;
+			msi-ranges = <&intc 64 IRQ_TYPE_LEVEL_HIGH 32>;
+		};
+
 		rpgate: clock-controller@7030010368 {
 			compatible = "sophgo,sg2042-rpgate";
 			reg = <0x70 0x30010368 0x0 0x98>;