Merge tag 'u-boot-dfu-next-20231124' of https://source.denx.de/u-boot/custodians/u-boot-dfu into next

u-boot-dfu-next-20231124

- Make dfu entity name size configurable in KConfig
- Implement start-stop for UMS (graceful shutdown via eject)
- Improve help messages for cmd/bind
- Improve help message for udc bind failures