ARM: dts: nuvoton: Add EDAC node

We have the driver support code, now we just need to expose the device
node which can export the EDAC properties for the system memory
controller. Tested on real hardware to verify that error counters show
up.

Signed-off-by: William A. Kennington III <[email protected]>
Link: https://patch.msgid.link/[email protected]
[arj: Add another colon to patch subject]
Signed-off-by: Andrew Jeffery <[email protected]>

Author: wkennington

arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi

@@ -122,6 +122,13 @@
 			clocks = <&clk_refclk>, <&clk_sysbypck>, <&clk_mcbypck>;
 		};
 
+		mc: memory-controller@f0824000 {
+			compatible = "nuvoton,npcm750-memory-controller";
+			reg = <0xf0824000 0x1000>;
+			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
 		gmac0: eth@f0802000 {
 			device_type = "network";
 			compatible = "snps,dwmac";