Add a header with CFR objects for existing configuration options,
so that supported boards can make use of them.
Currently only one option for IGD UMA size, but others can be added
as needed.
Change-Id: I892ffcc74d36a266697cbc7ea3c8880db6b67f44
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87388
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
ada6b98766