Bitbake error while following the instructions on Toradex guideline

Hello,
I have the same problem. It seems that in the recipe “linux-firmware_20230804.bb”, there is a require condition to “recipes-kernel/linux-firmware/linux-firmware_20230804.bb” that in this distribution it is not present. I hope that someone gives us some light on how to proceed.

In this link it is described something similar:

BR