Riku used this for debugging, when adding the MXM support
to the HP EliteBook 8560w port. It will be useful for other
work that I have planned, so I'm archiving this too!
Riku has a lot of useful code, that I meant to import ages ago.
Once I'm done importing these in lbmk, I'll add backup repos.
Signed-off-by: Leah Rowe <leah@libreboot.org>