Adds a missing help string for the ectool locatechip utility
Adds a missing help string for the ectool locatechip utility

Signed-off-by: Sean Carpenter <b8c56525b271061d7fd242f5a7d51a83c2e1b7f7@google.com>
BRANCH=none
BUG=b:239751048
TEST=None

Change-Id: Ia353643d72c7d6889931c09d1a6b98a89ba1a365
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3781445
Tested-by: Sean Carpenter <b8c56525b271061d7fd242f5a7d51a83c2e1b7f7@google.com>
Reviewed-by: Sean Carpenter <b8c56525b271061d7fd242f5a7d51a83c2e1b7f7@google.com>
Commit-Queue: Sean Carpenter <b8c56525b271061d7fd242f5a7d51a83c2e1b7f7@google.com>
Reviewed-by: Kevin Shelton <7507f71ebb4f01db734916a11086d9489d89295e@chromium.org>
Reviewed-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>

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