servo: add configuration for ZerbleBarn

ZerbleBarn is the Fingerprint daughter-board for Zoombini.

It has a UART and a SPI interface going to the Fingerprint MCU
and INAs.

BUG=b:67081508
TEST=run servod with 'sudo servod -b zerblebarn -c zerblebarn_inas.xml'
and flash the board using flash_ec.
dut-control pp3300_h7_mv pp3300_h7_ma pp1800_fpc_mv pp1800_fpc_ma

Change-Id: I7c26b0cc8f2fffab228d162209a0f880a6c8663e
Reviewed-on: https://chromium-review.googlesource.com/832648
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Todd Broch <tbroch@chromium.org>
3 files changed