Merge tag 'bugfixes-for-v2020.04' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c

i2c bugfixes for 2020.04
- i2c: designware_i2c: Correct the selection of speed mode
  Fixes: d96440d1 ("i2c: designware_i2c: Add support for fast-plus speed")