* boards/arm/stm32/nucleo-f429zi: Initial port to nucleo-f429zi board.
* boards/arm/stm32/nucleo-f429zi: Add two demo configs.
* Add the nucleo-f429zi to boards/Kconfig
boards/Kcondig: Fixed line alignment issue.
* boards/arm/stm32/nucleo-f429zi: Change the license header of all new files to an Apache 2.0 license.
* boards/arm/stm32/nucleo-f429zi: nxstyle fixed