poppy: fix accel/gyro rotation matrix
The matrix was not correct and sensor would report -1G along the Z axis
while on a flat surface.
BUG=chrome-os-partner:63021
BRANCH=none
TEST=Check in ARC++ AIDA64 the gravity data is reported correctly along
the Z axis.
Change-Id: I0ddbf40876746432c640f547a5efede3a07c6eec
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/444066
Tested-by: Rajat Jain <rajatja@chromium.org>
Reviewed-by: Rajat Jain <rajatja@chromium.org>
1 file changed
