ARM: dts: aspeed: tacoma: Enable FMC and SPI devices

Tacoma has two SPI flash devices attached to the FMC, and one on the SPI
controller.
Signed-off-by: Joel Stanley <joel@jms.id.au>

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

@@ -35,6 +35,37 @@ flash_memory: region@ba000000 {
 	};
 };
 
+&fmc {
+	status = "okay";
+	flash@0 {
+		status = "okay";
+		m25p,fast-read;
+		label = "bmc";
+		spi-max-frequency = <50000000>;
+#include "openbmc-flash-layout-128.dtsi"
+	};
+
+	flash@1 {
+		status = "okay";
+		m25p,fast-read;
+		label = "alt-bmc";
+		spi-max-frequency = <50000000>;
+	};
+};
+
+&spi1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spi1_default>;
+
+	flash@0 {
+		status = "okay";
+		m25p,fast-read;
+		label = "pnor";
+		spi-max-frequency = <100000000>;
+	};
+};
+
 &mac2 {
 	status = "okay";
 	pinctrl-names = "default";