grub-lakitu: REDHAT: MASTER-SB: Make any of the loaders that link in efi mode honor secure boot.

And in this case "honor" means "even if somebody does link this in, they
won't register commands if SB is enabled."

Signed-off-by: Peter Jones <pjones@redhat.com>
(cherry picked from commit babb9e25977ac0d8353493182cbef1ca4cf74a50)
(from master-sb branch of https://github.com/rhboot/grub2)

BUG=b:69569602
TEST=TBD

Change-Id: I0971dbb2cacb0e1aef95fd67a9cdf6f493d0520a
Reviewed-on: https://chromium-review.googlesource.com/945894
Reviewed-by: Edward Jee <edjee@google.com>
Commit-Queue: Edward Jee <edjee@google.com>
Tested-by: Edward Jee <edjee@google.com>
Trybot-Ready: Edward Jee <edjee@google.com>
20 files changed
tree: 5bc58d830873a646ea67b70b5ff03a85f4037c5b
  1. grub-lakitu/
  2. COMMIT-QUEUE.ini
  3. README