Build failure when using `devtool` with U-Boot
With the current upstream openembedded-core layer in Yocto 3.0 (Zeus) there is an issue when using devtool together with U-Boot:
cp: cannot stat '[...]//.config': No such file or directory
There are patches on the mailing list that have not been applied yet but can be pulled in manually for local clones of the poky repository:
https://patchwork.openembedded.org/patch/167206/
https://patchwork.openembedded.org/patch/167207/