hdctools: Add configuration for nyan.

Add a bare servo overlay file so servo's "-b nyan" works.
Add a sense resistor configuration file selected by "-c nyan.xml".
These resistor values are based on venice2 schametic values which appear
to be a bit different from actual values.

BUG=chrome-os-partner:23860
TEST='servod -b nyan -c nyan.xml' works for power measurements.

Change-Id: I1d511489e07186c6816bae274ea741fae8238b7b
Reviewed-on: https://chromium-review.googlesource.com/175596
Tested-by: Bryan Freed <bfreed@chromium.org>
Reviewed-by: Todd Broch <tbroch@chromium.org>
Commit-Queue: Bryan Freed <bfreed@chromium.org>
2 files changed