ARM: dts: aspeed-palmetto: Add LPC control node

This adds the required LPC node with phandles to the reserved memory
region and the mtd device.
Signed-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts

@@ -31,6 +31,11 @@ coldfire_memory: codefire_memory@5ee00000 {
 			reg = <0x5ee00000 0x00200000>;
 			no-map;
 		};
+
+		flash_memory: region@98000000 {
+			no-map;
+			reg = <0x98000000 0x01000000>; /* 16MB */
+		};
 	};
 
 	leds {
@@ -190,6 +195,12 @@ &ibt {
 	status = "okay";
 };
 
+&lpc_ctrl {
+	status = "okay";
+	memory-region = <&flash_memory>;
+	flash = <&spi>;
+};
+
 &gpio {
 	pin_func_mode0 {
 		gpio-hog;