ICM20948 Internal SPI Driver

Hi Guys,

I’m trying to replace a MPU9250 with an ICM20948 on the internal SPI bus of an fmu-v4 (Pixracer) After failing to start the driver from the mavlink console, I looked at the driver code. I noticed that earlier firmware code had each interface but the external I2C commented out in the ICM20948_main switch/case for the busid, and that in the newest source, those options have been removed all together. My questions are, was there a reason for disabling the use of the internal SPI with the ICM20948 or was it done because currently the only available boards with the ICM20948 use it on the external I2C? Thank you for any hints/advice!