'muxes' refers to bus 0, port 1, not bus 0, port 0.
BUG=chrome-os-partner:40677
BRANCH=None
TEST=Manual on Glados. Run 'i2cscan', verify that bus "1" is scanned,
and devices respond with ACK.
Change-Id: I734306928a128fea5e70b37735a71a64483f4e88
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/274125
Reviewed-by: Randall Spangler <rspangler@chromium.org>