Merge tag 'i2c-dm-updates-for-v2024-10-next' of https://source.denx.de/u-boot/custodians/u-boot-i2c into next

i2c DM updates for v2024.10 next

- Add series from Simon, which removes old content in i2c.h
  so that we can move towards having just the dm API.

  It does not remove any boards, but instead removes functionality.