device-qemu-amd64: Add support for EFI boot
systemd-boot is used for EFI boot (when using "pmbootstrap qemu --efi"), legacy boot (seabios) is still supported as well (pmb/qemu boots the kernel directly).
systemd-boot is used for EFI boot (when using "pmbootstrap qemu --efi"), legacy boot (seabios) is still supported as well (pmb/qemu boots the kernel directly).