HAL_ChibiOS: enable ICM-40609 on mRoNexus

libraries/AP_HAL_ChibiOS/hwdef/mRoNexus/hwdef.dat

@@ -143,8 +143,7 @@ PC6 SENSORS_SPI3_EN OUTPUT HIGH
 PC7 SENSORS_SPI4_EN OUTPUT HIGH 
 
 SPIDEV adis16470  SPI2 DEVID1  CS_ADIS16470      MODE3  1*MHZ  2*MHZ 
-# SPIDEV icm40609d    SPI3 DEVID2  CS_ICM40609D  MODE3  2*MHZ  8*MHZ 
-#! ^^WHEN AVAILABLE
+SPIDEV icm40609d  SPI3 DEVID2  CS_ICM40609D      MODE3  16*MHZ 16*MHZ
 SPIDEV rm3100      SPI3 DEVID4  CS_RM3100        MODE3  2*MHZ  8*MHZ
 SPIDEV dps310      SPI4 DEVID3  CS_DPS310        MODE3  5*MHZ  5*MHZ
 SPIDEV ramtron     SPI4 DEVID10 CS_FRAM          MODE3  8*MHZ  8*MHZ
@@ -176,11 +175,7 @@ define HAL_GPIO_C_LED_PIN 2
 
 # 2 IMUs (Analog Devices ADIS16470 and Invensense / TDK ICM40609D)
 IMU ADIS1647x      SPI:adis16470 ROTATION_ROLL_180 HAL_DRDY_ADIS16470_PIN
-# IMU Invensense   SPI:icm40609d ROTATION_NONE  
-#! ^^Need to confirm orientation  
-
-define HAL_DEFAULT_INS_FAST_SAMPLE 1
-#! ^^Set to 3 when ICM40609D driver is available 
+IMU Invensensev3   SPI:icm40609d ROTATION_NONE
 
 # 1 Absolute Pressure Sensor (Infineon DPS310)
 BARO DPS280        SPI:dps310