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

[Nico Huber (Code Review)]

Attention is currently required from: Arthur Heymans, Patrick Rudolph, Paul Menzel, Jingle Hsu, Angel Pons, Nill Ge, Marc Jones, Subrata Banik, Johnny Lin, lichenchen.carl, Tim Chu, Shelly Chang.
Nico Huber 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
......................................................................

Patch Set 8:

(1 comment)

Patchset:

PS8: 
How about setting correct `meminfo->dimm_cnt` for the platforms that
you want to report empty slots? Together with the new `->present`
field that would be all the interface changes you need. No weak
function and no Kconfig needed.