Now that we can utilize label in the device tree we can convert to
getting the device name for the NRF UART out of the device tree
instead of from Kconfig.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Add device tree support for nRF51822 SoCs and Arduino 101-BLE,
Curie-BLE, BLE Nano, PCA10028-DK, and Quark-SE BLE boards. This
is minimal support for memory, flash, and UART.
Change-Id: I7e572bea537e384b6d66e520462f023ace0c9b35
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>