trivial: make /boot/efi an optional ReadWritePath (#97)
trivial: make /boot/efi an optional ReadWritePath (#97)

vathpela/fwupd,superm1/fwupd,fwupd/fwupd,hughsie/fwupd,hughsie/fwupd,fwupd/fwupd,superm1/fwupd,fwupd/fwupd,vathpela/fwupd,hughsie/fwupd,hughsie/fwupd,vathpela/fwupd,fwupd/fwupd,vathpela/fwupd,superm1/fwupd