We have two payload options in abuild:
"None" or a pointer to an elf file.
This disables all other options in abuild, and makes disabling the other
options common to both valid options.
Change-Id: Icbd6fde4343ac1cff05778131f9e54370baf4224
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/26162
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>