Hi,
When I add the following line :
dtoverlay=gpio-shutdown
to config.txt in Raspbian (tested with Stretch), I can shut down by using a button to short GPIO pin 5 and 6 (GPIO 3 and GND)
The same does not work in LibreELEC 8.2.4 on Raspberry Pi, although the gpio-shutdown.dtbo exists there in the overlays folder, too.
What would I have to configure to make this work ?