Some flash properties are currently in the individual SoC definitions, while they are common to the whole STM32H7A3/STM32H7B3 line. Move them one level higher. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Add device tree support for STM32H7B3 line Signed-off-by: Tomislav Milkovic <tomislav.milkovic95@gmail.com>