USBLib_DevMgrFindRelated (SWI &56356) — Find other interfaces on the same device.
| R0 | Pointer to usbmsg_new_device structure |
| R1 | Array to return related structures |
| R2 | Size of array in R1 (size is in entries, not bytes) |
Find other interfaces on the same device This SWI takes a new device message, and looks for other free interfaces on the same device.