grub-lakitu: REDHAT: MASTER-SB: Add support for linuxefi

(cherry picked from commit af0725c020b5a7d21c71998c52e8111cc86728c6)
(from master-sb branch of https://github.com/rhboot/grub2)

BUG=b:69569602
TEST=TBD

Change-Id: If0e5fbd9753c48acad56c69775c9700be524d592
Reviewed-on: https://chromium-review.googlesource.com/945884
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>
5 files changed
tree: 6351dca22504e7cf4714a026575cc46331315a56
  1. grub-lakitu/
  2. COMMIT-QUEUE.ini
  3. README