Change the AP UART TX and RX gpios to match the schematic.
BUG=chrome-os-partner:50702
BRANCH=none
TEST=verify AP console output can be seen by cr50
Change-Id: I572bf2f664c276f094116e8a72400c9332bc10a7
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/338895
Reviewed-by: Bill Richardson <wfrichar@chromium.org>