Merge changes from topic "stm32mp13-updates" into integration

* changes:
  feat(stm32mp1): manage STM32MP13 rev.Y
  feat(stm32mp13-fdts): use STM32MP_DDR_S_SIZE in fw-config
  fix(stm32mp13-fdts): cleanup DT files
  fix(stm32mp13-fdts): update SDMMC max frequency
  fix(stm32mp13-fdts): align sdmmc pins with kernel