* Replace bluetooth-bcm43xx with pi-bluetooth Buildroot package
The new pi-bluetooth packages the scripts and systemd service from
the Raspberry distribution package directly:
https://github.com/RPi-Distro/pi-bluetooth
* Update to latest pi-bluetooth service files
* Update busybox configuration to 1.35.0
The new/deleted configurations are generated automatically, no actual
change in this patch.
* Enable busybox xxd command
The xxd tool is useful for conversion in scripts.
* Prevent start erros on Compute Module 4 without WiFi/Bluetooth
aaf2bf8317