Dexter Industries IMU Gyro control register 2 constants

DIGYRO_CTRL2_CUTOFF_FREQ_001 DIGYRO_CTRL2_CUTOFF_FREQ_002 DIGYRO_CTRL2_CUTOFF_FREQ_005 DIGYRO_CTRL2_CUTOFF_FREQ_01 DIGYRO_CTRL2_CUTOFF_FREQ_02 DIGYRO_CTRL2_CUTOFF_FREQ_05 DIGYRO_CTRL2_CUTOFF_FREQ_1 DIGYRO_CTRL2_CUTOFF_FREQ_2 DIGYRO_CTRL2_CUTOFF_FREQ_4 DIGYRO_CTRL2_CUTOFF_FREQ_8 DIGYRO_CTRL2_HPMODE_AUTOINT DIGYRO_CTRL2_HPMODE_NORMAL DIGYRO_CTRL2_HPMODE_REFSIG DIGYRO_CTRL2_HPMODE_RESET

#define DIGYRO_CTRL2_CUTOFF_FREQ_4   0x01 Gyro high pass filter cutoff frequency 4 hz