Keyborg: fix incorrect column driving in fast scanning
Keyborg: fix incorrect column driving in fast scanning

In the fast scan code, the master chip is driving the right side of the
panel at incorrect time. Let's fix this.

BUG=None
TEST=Manual
BRANCH=None

Change-Id: I9500f8ec4947c46762505ff20d0e5c4169bf5a67
Signed-off-by: Vic Yang <5fd92abeee651458f98e2856f4f200ee971cee4d@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/203370
Reviewed-by: Vincent Palatin <70a9964ec8fd10b0b08fcc8623c2add25ddf99ac@chromium.org>

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