ARM: dts: aspeed: Add AST2600 EDAC into common devicetree

Add Aspeed AST2600 EDAC node into the common devicetree.

Signed-off-by: Troy Lee <[e-mail]>
Signed-off-by: Borislav Petkov <[e-mail]>
Reviewed-by: Joel Stanley <[e-mail]>
Link: https://lkml.kernel.org/r/[e-mail]

arch/arm/boot/dts/aspeed-g6.dtsi

···
 		always-on;
 	};
 
+	edac: sdram@1e6e0000 {
+		compatible = "aspeed,ast2600-sdram-edac", "syscon";
+		reg = <0x1e6e0000 0x174>;
+		interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
 	ahb {
 		compatible = "simple-bus";
 		#address-cells = <1>;