Merge tag 'u-boot-stm32-20220124' of https://source.denx.de/u-boot/custodians/u-boot-stm

- stm32mp15: sync DT with kernel v5.16
- stm32mp15: Enable OF_BOARD config flag
- DHCOM: sync DT with kernel 5.15.12
- stm32mp: Fix USB boot device
- stm32mp: Remove bootcount activation
- stm32mp: Fix board_get_alt_info_mmc()
- board: stm32mp1: solve compilation issue when ENV_IS_IN_MMC is deactivated
- stm32prog: add partition name in treat_partition_list error messages