boot: enable booting via EFI boot manager by default

If UEFI is enabled in U-Boot, we want it to conform to the UEFI
specification. This requires enabling the boot manager boot method.

Reported-by: E Shattow <lucent@gmail.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
3 files changed