Recent OVMF versions (edk2-stable202508 + newer) can write their debug
log to a memory buffer. This driver exposes the log content via sysfs
(/sys/firmware/efi/ovmf_debug_log).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
