nyan: support official norrin rev2 sense resistors.

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

Change-Id: I8167c5c8230367d32900451d698715652dfb917a
Reviewed-on: https://chromium-review.googlesource.com/184415
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Bryan Freed <bfreed@chromium.org>
Commit-Queue: Bryan Freed <bfreed@chromium.org>
1 file changed