board: cc2650_sensortag: Add zephyr,console reference to device tree

Since we support uart0 on the cc2650 sensortag we should have a
reference for zephyr,console in chosen for it.  This will be useful as
we start to generate Kconfig defines based on zephyr,console.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
1 file changed