Merge changes I93de2db1,I880f88b1,I02e2fc75,I48908413,Ie7de9a9f, ... into integration
* changes:
feat(st-ddr): add STM32MP2 driver
refactor(st-ddr): create generic services
refactor(st-ddr): remove name from stm32mp_ddr_reg_desc
refactor(st-ddr): add definition for timeouts and delays
feat(st): add stm32mp_is_wakeup_from_standby()
feat(stm32mp2): add RETRAM map/unmap capability
feat(stm32mp2): add helper to get DDRDBG base address
feat(stm32mp2): handle DDR power supplies
feat(stm32mp1): handle DDR power supplies