Change in coreboot[master]: cpu/x86/mp: Use unsigned type for CPU count

[Angel Pons (Code Review)]

Attention is currently required from: Raul Rangel, Mariusz Szafrański, Jonathan Zhang, Arthur Heymans, Andrey Petrov, Patrick Rudolph, Jason Glenesk, Anjaneya "Reddy" Chagam, Marshall Dawson, Johnny Lin, Christian Walter, Suresh Bellampalli, Vanessa Eusebio, Michal Motyl, Tim Chu.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/58919 )

Change subject: cpu/x86/mp: Use unsigned type for CPU count
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Patch Set 1:

(1 comment)

File src/cpu/x86/mp_init.c:

https://review.coreboot.org/c/coreboot/+/58919/comment/906c42d1_46592bd0 
PS1, Line 1111: if (mp_state.cpu_count <= 0) {
              : 		printk(BIOS_ERR, "Invalid cpu_count: %d\n", mp_state.cpu_count);
Revise `cpu_count` retyping consequences, or split it to a separate commit (other variables should also be retyped).