Merge tag 'u-boot-dfu-20241219' of https://source.denx.de/u-boot/custodians/u-boot-dfu

CI: https://source.denx.de/u-boot/custodians/u-boot-dfu/-/pipelines/23951

Android:
- Fix kcmdline_extra support when parsing boot image
- Fix memory leak when after bootargs concatenation
- Fix length calculation when merging bootargs, cmdline and kcmdline