Change in coreboot[master]: soc/amd: move southbridge_smi_handler to common code

[Felix Held (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Martin Roth, Marshall Dawson, Felix Held.
Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Patrick Georgi, Martin Roth, Marshall Dawson,

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

https://review.coreboot.org/c/coreboot/+/50463

to look at the new patch set (#2).

Change subject: soc/amd: move southbridge_smi_handler to common code
......................................................................

soc/amd: move southbridge_smi_handler to common code

Signed-off-by: Felix Held 
Change-Id: I650498321736eee3d33af51216eda1b650f11744
---
M src/soc/amd/cezanne/smihandler.c
M src/soc/amd/common/block/cpu/smm/Makefile.inc
A src/soc/amd/common/block/cpu/smm/smi_handler.c
M src/soc/amd/common/block/include/amdblocks/smm.h
M src/soc/amd/picasso/smihandler.c
M src/soc/amd/stoneyridge/smihandler.c
6 files changed, 59 insertions(+), 90 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/63/50463/2