Microsoft Surface Pro 4

I am trying to install BigSur on Microsoft Surface pro 4.
I made it work up to the install screen but can't make it work keyboard and track pad.
It work in clover but when it boot up the bigsur Recovery keyboard/track-pad does not work.
I have 1 USB so another keyboard and mouse out of option and my docking station also don't work on it.
i got the product id and vendor info but can't find the info how to add in it?

Model: Surface Pro 4
Manufacturer: Microsoft Corporation

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Author: shaz385