This sets power on defaults for UART3 to be routed to
the glados style uart-on-jtag pinout. This is pretty
standardized going forward.
BUG=None
BRANCH=servo-9040.b
TEST=miniterm.py /dev/google/Servo_Micro-2-1.2/serial/Servo_UART3
Change-Id: I397df8fc09da681eba28cae489e2f6eaef8a87d0
Signed-off-by: Nick Sanders <nsanders@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/813180
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>