riscv: dts: microchip: mpfs: Fix PLIC node

Fix the device node for the Platform-Level Interrupt Controller (PLIC):
  - Add missing "#address-cells" property,
  - Sort properties according to DT bindings.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi

@@ -168,16 +168,17 @@
 		};
 
 		plic: interrupt-controller@c000000 {
-			#interrupt-cells = <1>;
 			compatible = "sifive,fu540-c000-plic", "sifive,plic-1.0.0";
 			reg = <0x0 0xc000000 0x0 0x4000000>;
-			riscv,ndev = <186>;
+			#address-cells = <0>;
+			#interrupt-cells = <1>;
 			interrupt-controller;
 			interrupts-extended = <&cpu0_intc 11
 					&cpu1_intc 11 &cpu1_intc 9
 					&cpu2_intc 11 &cpu2_intc 9
 					&cpu3_intc 11 &cpu3_intc 9
 					&cpu4_intc 11 &cpu4_intc 9>;
+			riscv,ndev = <186>;
 		};
 
 		dma@3000000 {