Change in coreboot[master]: mb/clevo/tgl-u: Add Clevo NV4x Tiger Lake laptop support

[Michał Kopeć (Code Review)]

Attention is currently required from: Felix Singer, Michał Żygowski, Angel Pons, Michael Niewöhner.
Michał Kopeć has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62498 )

Change subject: mb/clevo/tgl-u: Add Clevo NV4x Tiger Lake laptop support
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Patch Set 6:

(2 comments)

File src/mainboard/clevo/tgl-u/Kconfig.name:

https://review.coreboot.org/c/coreboot/+/62498/comment/63aef3a8_f428dbfb 
PS6, Line 7: MB/ME/MZ
> nit: MZ at first, since it's the base for the other two?

Makes sense, done

File src/mainboard/clevo/tgl-u/variants/nv40mz/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/62498/comment/c0a271e0_6a3a679a 
PS6, Line 22: required
> S3 is deprecated on TGl

Correct