It works only on UEFI platforms but can be quite easily extended to
others architectures and platforms if needed.

Signed-off-by: Chris Coulson <chris.coulson@canonical.com>
Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Marco A Benatto <mbenatto@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>

Patch-Name: 2021-02-security/099-kern-efi-Add-initial-stack-protector-implementation.patch