CONFIG_ARCH_CHIP_STM32F4=y
CONFIG_STM32_USART1=y
CONFIG_STM32_USART2=y
CONFIG_STM32_USART3=y
CONFIG_USART1_SERIAL_CONSOLE=y
CONFIG_STM32_UART4=y
CONFIG_STM32_UART5=y
CONFIG_STM32_USART6=y
