Simplify build instructions
Document mezzano.mod
Build mezzano.mod
$ ./bootstrap && ./configure --with-platform=coreboot --target=x86_64-linux-gnu && make -j`nproc`
Copy ./grub-core/mezzano.mod
to boot partition of USB key.
GRUB> insmod (usb0,msdos2)/mezzano.mod
GRUB> mezzano (usb0,msdos3) freestanding verbose read-only video-console set-i8042-bits
GRUB> insmod (usb0,msdos2)/mezzano.mod
GRUB> mezzano uuid:5cf6ee792cdf45e1ba2b6325c41a5f10 freestanding read-only set-i8042-bits
GRUB> insmod (usb0,msdos2)/mezzano.mod
GRUB> mezzano (usb0,msdos3)/mezzano.image freestanding verbose read-only video-console set-i8042-bits