pybricks/util_pb/pb_imu: Fix Essential Hub IMU orientation.
As in the SPIKE Prime Hub, it is mounted upside down.
If we keep the definition applied here, then the side with USB is the back and the side with the button is the top.
@@ -190,7 +190,7 @@ void pb_imu_accel_read(pb_imu_dev_t *imu_dev, float_t *values) {
values[1] = data[1] * imu_dev->accel_scale;
values[2] = data[2] * imu_dev->accel_scale;
- #if PYBRICKS_HUB_PRIMEHUB
+ #if (PYBRICKS_HUB_PRIMEHUB || PYBRICKS_HUB_ESSENTIALHUB)
// Sensor is upside down
values[0] = -values[0];
values[2] = -values[2];
