arm64: dts: meson-sm1-odroid-hc4: add spifc node to ODROID-HC4

Add a node for the XT25F128B SPI-NOR flash to make it accessible
from Linux.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210607065435.577334-7-narmstrong@baylibre.com

arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts

@@ -116,6 +116,20 @@ &sd_emmc_c {
 	status = "disabled";
 };
 
+&spifc {
+	status = "okay";
+	pinctrl-0 = <&nor_pins>;
+	pinctrl-names = "default";
+
+	spi-flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <104000000>;
+	};
+};
+
 &usb {
 	phys = <&usb2_phy1>;
 	phy-names = "usb2-phy1";