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

[Kangheui Won (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Kangheui Won, Rob Barnes, Felix Held.
Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Marshall Dawson, Rob Barnes, Karthik Ramasubramanian, Felix Held,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/61368

to look at the new patch set (#3).

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, 29 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/68/61368/3