eCTS tests are small. We can use smaller flash size to expedite
tests. This patch reduces flashing time for stm32l476 from 24 sec
to 6 sec.
BUG=chromium:736020
BRANCH=none
TEST=python util/run_ects.py
Change-Id: I829ee2c947664f2d7ed373f52ff336e9a9580817
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/553580
Reviewed-by: Randall Spangler <rspangler@chromium.org>
75efd78a59