board: arcada: Fix magnetometer axis rotation
board: arcada: Fix magnetometer axis rotation

Fix the rotation of the magnetometer measurements.

BRANCH=None
BUG=b:128619310
TEST=Compare raw magnetometer data with pixel 3

Change-Id: I3fa407dd4dcc825cc521c8e49a63a635e45f9081
Signed-off-by: Yuval Peress <50dc11c009bd4d7e9d9d15a383c1743ce5ee82ef@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1612256
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