Add command for checking if boot was authenticated. Signed-off-by: Igor Opaniuk <igor.opaniuk@foundries.io> Signed-off-by: Neal Frager <neal.frager@amd.com> Reviewed-by: Tomas Melin <tomas.melin@vaisala.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20260112100253.2778715-1-neal.frager@amd.com