ARM: dts: aspeed: bletchley: Update fmc configurations

Add flash1 in fmc to support dual flash module.
Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Patrick Williams <patrick@stwcx.xyz>
Link: https://lore.kernel.org/r/20220215163151.32252-5-potin.lai@quantatw.comSigned-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts

@@ -217,6 +217,12 @@ flash@0 {
 		spi-max-frequency = <50000000>;
 #include "openbmc-flash-layout-128.dtsi"
 	};
+	flash@1 {
+		status = "okay";
+		m25p,fast-read;
+		label = "flash1";
+		spi-max-frequency = <50000000>;
+	};
 };
 
 &spi2 {