wagnerism

Also the link at the bottom is outdated. The Marlin configs repository for v2.0 and v2.1 do not have any Robin Nano configs either. It just has ``` Robin Robin_Lite3...

I had this same issue. It would be nice if https://github.com/makerbase-mks/MKS-Robin-Nano-V3.X/blob/main/firmware/Marlin-bugfix2.0.x-MKS-2.1.2/README.md were updated to include #define USB_OTG_USB_HOST