STM32 MCU:
_ alignment with kernel DT v6.5 for stm32f429 and stm32f746
_ rework way of displaying ST logo for stm32f746-disco and stm32f769-disco
STM32 MPU:
_ alignment with kernel DT v6.6-rc1
_ add RNG support for stm32mp13
_ add USB, USB boot and stm32prog command support for stm32mp13
_ add support of USART1 clock for stm32mp1
_ only print RAM and board code with SPL_DISPLAY_PRINT flag for
stm32mp1
_ rename update_sf to dh_update_sd_to_sf and add dh_update_sd_to_emmc
for stm32mp15xx DHCOR