Merge tag 'u-boot-dfu-next-20240820' of...

Merge tag 'u-boot-dfu-next-20240820' of https://source.denx.de/u-boot/custodians/u-boot-dfu into next

u-boot-dfu-next-20240820

- Migrate Atmel usb gadget to DM_USB_GADGET
- More small cleanups/improvements on the atmel UDC driver
- Change udc uclass name from "usb" -> "usb_gadget"