[coreboot-gerrit] Change in coreboot[master]: mb/lenovo/w541: Add Thinkpad W541

[Angel Pons (Code Review)]

Attention is currently required from: Nico Huber, Peter Lemenkov, Alexander Couzens, Patrick Rudolph, amersel.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52659 )

Change subject: mb/lenovo/w541: Add Thinkpad W541
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Patch Set 16:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/52659/comment/b11c3f8e_d00fcd66 
PS14, Line 28: when IFD is unlocked
> I haven't attempted internal flashing with a locked IFD so I'll leave that as untested for now. […]

In any case, the command would be:

sudo flashrom -p internal --ifd -i bios -w build/coreboot.rom --noverify-all

https://review.coreboot.org/c/coreboot/+/52659/comment/f0eda713_a4d8d5bd 
PS14, Line 39: - Each boot takes 20s
> Oh. Each boot should be corrected to first boot. […]

I know Haswell MRC.bin is slow, especially with 2DPC (2 DIMMs Per Channel). I've seen it take 20 seconds with 4 dual-rank DIMMs on my Asrock B85M Pro4. And I don't like it.