motion: Fix a bug in accelrate
motion: Fix a bug in accelrate

Allow accelrate to suspend a sensor, even if the AP is using it.
For debugging only.

BRANCH=smaug
TEST=before accelrate 0 0 would not suspend the accelerometer in SO,
the AP is using it.
BUG=b:23570481

Change-Id: Iea4f616d0a0d1b4a0b0fa2bc942d05b2a2425926
Signed-off-by: Gwendal Grignou <190c5a5edfcf62e0246559bf31fa7548674de3ad@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/296210
Reviewed-by: Alec Berg <1a4429eeda29095a12e19a73405f80f5b7f37a63@chromium.org>

coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,akappy7/ChromeOS_EC_LED_Diagnostics,akappy7/ChromeOS_EC_LED_Diagnostics,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics