Dexter Industries IMU Gyro control register 3 constants

DIGYRO_CTRL3_INT1_BOOT DIGYRO_CTRL3_INT1_ENABLE DIGYRO_CTRL3_INT1_LOWACTIVE DIGYRO_CTRL3_INT2_DATAREADY DIGYRO_CTRL3_INT2_EMPTY DIGYRO_CTRL3_INT2_OVERRUN DIGYRO_CTRL3_INT2_WATERMARK DIGYRO_CTRL3_OPENDRAIN

#define DIGYRO_CTRL3_OPENDRAIN   0x10 Gyro use open drain rather than push-pull