question about ALSA devices not showing up in buildroot build

[Bert Schiettecatte]

Hi Pavel

> Sometimes strace has been of help to me, to see which file is being
> tried to open:
> strace aplay -L 2>&1 | grep 'open('

you can see the output before grepping here - https://pastebin.com/Nh3v6P4c

Thanks
Bert