[XL] Change in coreboot[master]: mb/protectli/vault_cml: Add Comet Lake 6 port board support

[Michał Żygowski (Code Review)]

Attention is currently required from: Angel Pons, Piotr Król.

Michał Żygowski has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/67940 )

Change subject: mb/protectli/vault_cml: Add Comet Lake 6 port board support
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Patch Set 9:

(3 comments)

File Documentation/mainboard/protectli/vp46xx.md:

https://review.coreboot.org/c/coreboot/+/67940/comment/11b756e9_ab0c63f4 
PS7, Line 68: - Super I/O serial port 0 via front microUSB connector
> Yes, it does. Fintek F81232.

Added info about the adapter in this bulletpoint

https://review.coreboot.org/c/coreboot/+/67940/comment/45e7a8bc_0661c55b 
PS7, Line 90: ITE IT8786E/IT8784E
> The configuration of the registers is the same when compared with the IT8786E datasheet. […]

Added a note on the beginning of this section.

File src/mainboard/protectli/vault_cml/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/67940/comment/1b4b3de5_6159b23b 
PS7, Line 228: 				"M.2/E 2230 (M2_WIFI2)" "SlotDataBusWidth1X"
> nit: add an extra tab for visual alignment, `smbios_slot_desc ` is exactly 16 characters wide.

Done.