The BMC's scanout synchronization is only indirectly related to the
VIDRST functionality. Do some renaming.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240711072415.11831-4-tzimmermann@suse.de