scarlet: gyro should be off by default
scarlet: gyro should be off by default

Things that need it will request it to turn on.
The only reason accel is on by default is because we need to be able to
poll it from time to time.

TEST=Motion related things still work
BUG=While looking at b/67743747
BRANCH=master

Change-Id: I08ea487058fb93ce6ff5fcc9054243d83e189e21
Suggested-by: Gwendal Grignou <190c5a5edfcf62e0246559bf31fa7548674de3ad@chromium.org>
Signed-off-by: Alexandru M Stan <1784cbba6d7675b1eba55eaefe41c7672ad9da3b@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/887947
Reviewed-by: Gwendal Grignou <190c5a5edfcf62e0246559bf31fa7548674de3ad@chromium.org>

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