3.19.0-stm32mp-r1

STM32MP release 3.19.0-stm32mp-r1

• Implementation of a secure watchdog
• Use of watchdog framework
• Fix IWDG early-interrupt
• Allow device-tree RNG configuration + fixes
• Move SCMI mailbox to Linux/U-Boot memory
• Add SCMI thread provisioning
• Low-power fixes
• Full clock tree is applied in OP-TEE to allow clock tree update over FOTA
• Support bit offset for NVMEM
• Reworked OCALL to OCALL2
• Disable external device-tree support
• Other minor fixes
• STM32MP15:
  • OP-TEE build in DDR (pager OFF) : Some services are now default disabled