hdctools: add configuration for Rambi

Currently the Rambi uses the same flex configuration as link,
so we can copy that configuration.

BUG=None
TEST=`sudo servod --board=rambi`
Verify ability to reflash EC and observe EC terminal.

Change-Id: Ib2c794503ea182efa3a1324a9a93ef64d7a37c63
Reviewed-on: https://chromium-review.googlesource.com/172451
Reviewed-by: Todd Broch <tbroch@chromium.org>
Commit-Queue: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Bernie Thompson <bhthompson@chromium.org>
1 file changed