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

[amersel (Code Review)]

Attention is currently required from: Peter Lemenkov, Alexander Couzens, Patrick Rudolph.
amersel 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 9:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/52659/comment/1084b116_f604c948 
PS9, Line 38: - Each boot takes 20s
> No problem. Here's my complete build log with libgfxinit enabled: https://pastebin.com/ewVtRwyY […]

Oh actually some progress! This build made libgfxinit work over the mini DP connector, but it still isn't working on eDP.

It was pretty quick before it made it to GRUB, but the SeaBIOS prompt did show up on the top left.