[S] Change in coreboot[main]: soc/intel/cannonlake: Hook up Intel TXT FSP UPDs

[Filip Lewiński (Code Review)]

Attention is currently required from: Intel coreboot Reviewers, Krystian Hebel, Michał Kopeć, Michał Żygowski, Paul Menzel.

Filip Lewiński has posted comments on this change by Michał Żygowski. ( https://review.coreboot.org/c/coreboot/+/83727?usp=email )

Change subject: soc/intel/cannonlake: Hook up Intel TXT FSP UPDs
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Patch Set 6:

(1 comment)

File src/soc/intel/cannonlake/romstage/fsp_params.c:

https://review.coreboot.org/c/coreboot/+/83727/comment/5be2f1df_efe3c5d2?usp... :
PS3, Line 152: 	m_cfg->ApStartupBase = 1; /* Set to non-zero, FSP does NULL check */
> Doesn't this cause APs to eventually jump to address 1 and (most likely) hit an exception at some po […]

[Replaced](https://review.coreboot.org/c/coreboot/+/83727/4..5/src/soc/intel/cannonlake...) with stop_this_cpu()