STM32 uart Kconfig instance flags were not following same naming scheme than other drivers (i2c, spi, ..) Update driver to use UART_X instead of UART_STM32_PORT_X Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
default pinmaps for usart1 is PA9(tx) and PA10(rx) Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
tested example: hello_world, blinky, button Signed-off-by: qianfan Zhao <qianfanguijin@163.com>