Change in coreboot[master]: arch/x86/smbios.c: Add SMBIOS type 17 for empty DIMM slots

[Johnny Lin (Code Review)]

Attention is currently required from: Arthur Heymans, Patrick Rudolph, Jonathan Zhang, Jingle Hsu, Angel Pons, Nill Ge, Marc Jones, Subrata Banik, lichenchen.carl, Tim Chu, Shelly Chang.
Johnny Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63882 )

Change subject: arch/x86/smbios.c: Add SMBIOS type 17 for empty DIMM slots
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Patch Set 7:

(1 comment)

File src/Kconfig:

https://review.coreboot.org/c/coreboot/+/63882/comment/43041dac_8346e699 
PS2, Line 814: SMBIOS_TYPE17_EMPTY_SLOT
> I'm not aware of any software that checks for empty DIMM slots.

Because for now all SOC codes hasn't implemented saving empty DIMM data into meminfo>dimm array, I think we still need to have this Kconfig and default set to n.