rpi-base.inc: add the disable-wifi-pi5 overlay

For RPi5 we need to use a different overlay to disable built-in WiFi.

Signed-off-by: Andrew Lalaev <andrey.lalaev@gmail.com>

conf/machine/include/rpi-base.inc

@@ -20,6 +20,7 @@ RPI_KERNEL_DEVICETREE_OVERLAYS ?= " \
     overlays/disable-bt.dtbo \
     overlays/disable-bt-pi5.dtbo \
     overlays/disable-wifi.dtbo \
+    overlays/disable-wifi-pi5.dtbo \
     overlays/dwc2.dtbo \
     overlays/gpio-ir.dtbo \
     overlays/gpio-ir-tx.dtbo \