Update the FP MCU interface to include a few convenient diagnostics
functions for factory testing.
It's mostly backward compatible, but overall this interface never
shipped in anything, so not a big deal regardless.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=b:71986991
TEST=ectool --name=cros_fp fpinfo && ectool --name=cros_fp fpcheckpixels
CQ-DEPEND=CL:*546799
Change-Id: Ic641f891ace02d79af9339cf6cb59a2960e506a7
Reviewed-on: https://chromium-review.googlesource.com/873924
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>