[S] Change in coreboot[main]: nb/intel/sandybridge: Use SA devid to identify PC type

[Patrick Rudolph (Code Review)]

Attention is currently required from: Angel Pons, Arthur Heymans, Keith Hui, Matt DeVillier.

Hello Angel Pons, Arthur Heymans, Keith Hui, Matt DeVillier, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/78826?usp=email

to look at the new patch set (#7).

The following approvals got outdated and were removed:
Code-Review+1 by Angel Pons, Code-Review+1 by Matt DeVillier, Verified+1 by build bot (Jenkins)

Change subject: nb/intel/sandybridge: Use SA devid to identify PC type
......................................................................

nb/intel/sandybridge: Use SA devid to identify PC type

Instead of using MSR IA32_PLATFORM_ID read the SystemAgent device id
to figure out the PC type. This follows the BWG which suggest to not
use MSR IA32_PLATFORM_ID for system identification.

Tested: Lenovo X220 still boots.

Change-Id: Ibddf6c75d15ca7a99758c377ed956d483abe7ec1
Signed-off-by: Patrick Rudolph 
---
M src/cpu/intel/model_206ax/Makefile.inc
D src/cpu/intel/model_206ax/common.c
M src/cpu/intel/model_206ax/model_206ax.h
M src/cpu/intel/model_206ax/model_206ax_init.c
M src/northbridge/intel/sandybridge/common.c
M src/northbridge/intel/sandybridge/early_init.c
6 files changed, 15 insertions(+), 29 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/78826/7