docs/fingerprint: Add another power measurement command
docs/fingerprint: Add another power measurement command

Also update the servod commandline for the change in
https://crrev.com/c/2142757 (the INA files are now included in the
board-specific XML file, so there is no need to specify them when
running servod).

BRANCH=none
BUG=none
TEST=view in gitiles

Signed-off-by: Tom Hughes <fc5c12f30a5ed2baa0581f44ee14ad1eb7b20d83@chromium.org>
Change-Id: I93f7d41314003c7160e1c7805e0248934a6d8ee0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2144369
Reviewed-by: Craig Hesling <383db090fd8ef907a606ac8a9eccd2962bc489cf@chromium.org>
Commit-Queue: Craig Hesling <383db090fd8ef907a606ac8a9eccd2962bc489cf@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec