[coreboot-gerrit] Change in coreboot[master]: hp/z220_cmt_workstation: Add variant of z220_sff_workstation

[Arthur Heymans (Code Review)]

Attention is currently required from: Damien Zammit, Edward O'Callaghan, Angel Pons.
Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62759 )

Change subject: hp/z220_cmt_workstation: Add variant of z220_sff_workstation
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Patch Set 2:

(1 comment)

File src/mainboard/hp/z220_sff_workstation/variants/z220_cmt_workstation/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/62759/comment/49d133ee_741c8085 
PS2, Line 18: 0xa00
That decode address does not seem to be set up in genX_dec. There is no real reason to override it, so I'd just remove it.