Hi Alexandre Belloni,

Sorry for the late reply.
I'm not sure why you can't apply my patch. I tried applying it again and there was no problem.
I'd like to attach my patch, could you please check it again (0001-bitbake-Support-add-layer-to-prepend.patch)
https://github.com/hieunv0828/bitbake/commit/fc670b7ba577958eb18b108458f24fd2c260e225

Thanks!
Hieu