[coreboot-gerrit] Change in coreboot[master]: psp_verstage: add new svc for cezanne

[Raul Rangel (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Kangheui Won, Rob Barnes, Felix Held.
Raul Rangel has uploaded a new patch set (#2) to the change originally created by Kangheui Won. ( https://review.coreboot.org/c/coreboot/+/61368 )

Change subject: psp_verstage: add new svc for cezanne
......................................................................

psp_verstage: add new svc for cezanne

Add svc_set_platform_bootmode svc to cezanne. PSP will use this
information to select proper widevine keybox.

BUG=b:211058864
TEST=build guybrush

Signed-off-by: Kangheui Won 
Change-Id: I6bcc9e49a2b73d486cfecd7b240bf989cad94630
---
M src/soc/amd/cezanne/psp_verstage/svc.c
M src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h
2 files changed, 24 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/68/61368/2