CONFIG_ARM=y
CONFIG_SOC_FAMILY_NRF=y
CONFIG_SOC_SERIES_NRF51X=y
CONFIG_SOC_NRF51822_QFAA=y
CONFIG_BOARD_NRF51_BLENANO=y
# enable uart driver
CONFIG_SERIAL=y
CONFIG_UART_0_NRF_UART=y
# enable console
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y