SK-AM64B: in the AM64x Linux SDK v 9.2 how to recompile the SK-AM64B J7 port for device mode

Part Number: SK-AM64B

Tool/software:

Bin had 6 months ago told me (on v 9.1)

"SK-AM64B J7 port is designed for USB host only, and this is what officially supported.

However, it is technically trivial to use the J7 port for USB device mode (USB2.0) in Linux"

Could someone please point me to either the AM64x Academy or the Linux SDK kernel compile instructions so that I can apply the k3-am642-sk.dts changes?