====== rpi-update ======
<code bash>
sudo apt install flashrom
sudo apt remove -V --purge linux-headers* linux-kbuild* linux-image* raspi-firmware #rpi-eeprom
sudo rpi-update next
</code>
Linksammlung:
  * https://www.raspberrypi.com/documentation/computers/configuration.html
  * https://github.com/raspberrypi/firmware/tree/next
  * https://www.riscosopen.org/wiki/documentation/show/Software%20information:%20Raspberry%20Pi:%20Firmware
  * https://elinux.org/The_Undocumented_Pi
Für Pi5:
  * bcm2712-rpi-5-b.dtb, cmdline.txt, config.txt, initramfs_2712, kernel_2712.img
  * overlays/ (cleanup)
  * lib/modules