- interupt pin set active low and latch
- relax retry timeout if configure failed
- improve configured empty rate (sample rate) rounding
- fix RegisterCheck
- check FIFO count as part of full transfer and reset or adjust timing if necessary
- rename DRV_IMU_DEVTYPE_ICM20608 -> DRV_IMU_DEVTYPE_ICM20608G
Chip-select and SPI initialization uses the new config, whereas the drivers
still use the existing defines.
The configuration in board_config.h can be removed after all drivers are
updated.