Change in coreboot[master]: cpu/x86/smm: Use common APMC logging

[Angel Pons (Code Review)]

Attention is currently required from: Martin Roth, Mariusz Szafrański, Suresh Bellampalli, Vanessa Eusebio, Michal Motyl, Kyösti Mälkki, Alexander Couzens, Patrick Rudolph.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/49248 )

Change subject: cpu/x86/smm: Use common APMC logging
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Patch Set 5: Code-Review+2

(1 comment)

File src/southbridge/intel/i82801dx/smihandler.c:

https://review.coreboot.org/c/coreboot/+/49248/comment/d540cfa3_3862e2cb 
PS5, Line 325: 		printk(BIOS_DEBUG, "SMI#: Unknown function APM_CNT=%02x\n", reg8);
This one can be dropped too, I don't care when