Updated UART app to not use softdevice
Updated UART app to not use softdevice

Tech4Race/nrf5x-base,lab11/nrf5x-base,lab11/nrf5x-base,lab11/nrf5x-base,lab11/nrf5x-base,Tech4Race/nrf5x-base,Tech4Race/nrf5x-base,Tech4Race/nrf5x-base