Chris Marusich <cmmarusich@gmail.com> writes:

> I'm actually not sure what fancy tricks Libreboot (and its GRUB payload)
> might be using to find the grub.cfg file.  But hopefully that
> information helps.

Upon further investigation, it seems that Libreboot searches for
grub.cfg in addition to a few other configuration files [1].  So, if
you've got a recent version, you shouldn't need a libreboot_grub.cfg
symlink.

[1] https://notabug.org/vimuser/libreboot/src/master/resources/grub/config/menuentries/common.cfg

-- 
Chris