Limited to two legacy build options to only be set when
CorebootPayloadPkg is used, as they don't exist in UefiPayloadPkg.
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I71aaa940543075962e167b52b23f45976d39c616
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65779
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>