CONFIG_SOC_SERIES_LPC51U68=y
CONFIG_SOC_LPC51U68=y
CONFIG_BOARD_LPCXPRESSO51U68=y
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_PINMUX=y
CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_GPIO=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=12000000