[M] Change in coreboot[master]: [WIP]cpu/mp_init: Detect the number of CPUs are runtime

[Arthur Heymans (Code Review)]

Attention is currently required from: Arthur Heymans, Kyösti Mälkki.

Hello build bot (Jenkins), Kyösti Mälkki,

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

https://review.coreboot.org/c/coreboot/+/68893

to look at the new patch set (#8).

Change subject: [WIP]cpu/mp_init: Detect the number of CPUs are runtime
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[WIP]cpu/mp_init: Detect the number of CPUs are runtime

On some systems the only way to find out what CPUs are are present is by
in initializing them and seeing which one checks in.

TESTED with qemu reporting a too high number of CPUs.

Change-Id: Iafe9d3d4838dad46cd0c7b6d30b905cbd258f17f
Signed-off-by: Arthur Heymans 
---
M src/cpu/x86/Kconfig
M src/cpu/x86/mp_init.c
M src/cpu/x86/smm/smm_module_loader.c
3 files changed, 64 insertions(+), 18 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/68893/8