Merge changes from topic "stm32mp2" into integration
* changes:
feat(stm32mp2): generate stm32 file
feat(stm32mp2-fdts): add stm32mp257f-ev1 board
feat(stm32mp2-fdts): introduce stm32mp25 pinctrl files
feat(stm32mp2-fdts): introduce stm32mp25 SoCs family
feat(stm32mp2): add console configuration
feat(st): add RCC registers list
feat(st-uart): add AARCH64 stm32_console driver
feat(st): introduce new platform STM32MP2
feat(dt-bindings): add the STM32MP2 clock and reset bindings
docs(changelog): add scopes for STM32MP2
feat(docs): introduce STM32MP2 doc
refactor(docs): add a sub-menu for ST platforms
refactor(st): move plat_image_load.c
refactor(st): rename PLAT_NB_FIXED_REGS
refactor(st): move some storage definitions to common part
refactor(st): move SDMMC definitions to driver
feat(st-clock): stub fdt_get_rcc_secure_state
feat(st-clock): allow aarch64 compilation of STGEN functions
feat(st): allow AARCH64 compilation for common code
refactor(st): rename QSPI macros