soc/amd/genoa: Add Kconfig/Makefile to generate PSP image
TESTED: AMD onyx reaches x86 code
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Signed-off-by: Varshit Pandya <pandyavarshit@gmail.com>
Change-Id: I95d84f93663a80f322fd4d7cdeb35ccfe0ec7d21
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76498
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>