Merge tag 'u-boot-stm32-20230616' of https://source.denx.de/u-boot/custodians/u-boot...

serial: stm32: Fixes to avoid suprious characters
Use U-Boot device tree to configure MTD partitions stm32mp13 and stm32mp15 boards
stm32mp: stm32prog: Add support of ENV partition type
config: stm32mp15: remove CONFIG_FASTBOOT_USB_DEV and CONFIG_FASTBOOT_CMD_OEM_FORMAT
stm32: Add IWDG handling into PSCI suspend code
stm32: Fix OF_LIST on DHCOR
stm32: Add missing header for save_boot_params
stm32: Use __section(".data") with dot in the section name on DHSOM
stm32mp: soome changes and fixes for STM32MP13 and STM32MP15 boards
dts: stm32mp: alignment with v6.3
dts: stm32f769-disco: remove the dsi_host node
configs: stm32f746-disco: remove a useless comment