efi-urgent-2021-03-21

 - another missing RT_PROP table related fix, to ensure that the efivarfs
   pseudo filesystem fails gracefully if variable services are unsupported,
 - use the correct alignment for literal EFI GUIDs,
 - fix a use after unmap issue in the memreserve code

Signed-off-by: Ingo Molnar <mingo@kernel.org>