CONFIG_ARM=y
CONFIG_SOC_FAMILY_NRF5=y
CONFIG_SOC_SERIES_NRF51X=y
CONFIG_SOC_NRF51822_QFAA=y
CONFIG_BOARD_ARDUINO_101_BLE=y
# enable uart driver
CONFIG_SERIAL=y
CONFIG_UART_NRF5=y
# bluetooth
CONFIG_BLUETOOTH=y
CONFIG_BLUETOOTH_CONTROLLER=y