ARM: dts: bcm2711: Provide a hook for a WiFi MAC

Add the usual wifi@1 node to the Pi 4 family, so that an alternative
WiFi MAC address can be provided by the wifimac overlay.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

Author: pelwell

arch/arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi

@@ -188,6 +188,13 @@
 
 &mmcnr {
 	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
 };
 
 &csi0 {