[S] Change in coreboot[master]: soc/amd/mendocino: Add svc_write_postcode call instead of stub

[Martin L Roth (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Martin L Roth, Mohan Viswanathan, Matt DeVillier, Fred Reitberger, Felix Held.

Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Mohan Viswanathan, Matt DeVillier, Fred Reitberger, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/71852

to look at the new patch set (#4).

Change subject: soc/amd/mendocino: Add svc_write_postcode call instead of stub
......................................................................

soc/amd/mendocino: Add svc_write_postcode call instead of stub

To assist in debugging, add a way for PSP_verstage to send postcodes to
the system.

Signed-off-by: Martin Roth 
Change-Id: I22e45e26f599a0b4f0b781e9b97fccb68e2e5cc1
---
M src/soc/amd/mendocino/psp_verstage/chipset.c
M src/soc/amd/mendocino/psp_verstage/svc.c
M src/soc/amd/mendocino/psp_verstage/svc.h
M src/vendorcode/amd/fsp/mendocino/include/bl_uapp/bl_syscall_public.h
4 files changed, 28 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/71852/4