eve: add FP MCU UART support

The FP MCU should be wired the same way the PD MCU was on GLaDOS
platform.
Keep the usbpd_XXX names as aliases to re-use existing scripts.

BUG=chrome-os-partner:62893
TEST=not tested on the real hardware. 'sudo servod -b eve'

Change-Id: I85f0c5aac99a3a06e40a38f54db0c3febe77eca2
Reviewed-on: https://chromium-review.googlesource.com/443230
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: Todd Broch <tbroch@chromium.org>
3 files changed