This FCH_OEM_CALLOUT bypasses API and uses structures
that are private to AGESA. Attempt to clean it up by
first clarifying when it is used.
Change-Id: I63aa0f586f73e97d615b8596d73728edbaeb0a2d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/19179
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>