STM32: SYSCFG is remplaced by SBS #31
Description
Starting from STM32H5, SBS replace SYSCFG IP.
Some register are common (e.g. FPUIMR, FPU interrupt mask register).
Build system and kernel should handle this properly
FYI: https://wiki.st.com/stm32mcu/wiki/Security:Introduction_to_STM32H5_security