Update HM01B0 driver.
Update HM01B0 driver.

* Fix set_auto_exposure.
* Implement get_exposure_us.
* Implement set_gainceiling.
* Implement set_colorbar.
* Implement set_auto_gain.
* Implement get_gain_db.
* Remove unimplemented functions.

kwagyeman/openmv,openmv/openmv,iabdalkader/openmv,openmv/openmv,iabdalkader/openmv,iabdalkader/openmv,openmv/openmv,iabdalkader/openmv,kwagyeman/openmv,kwagyeman/openmv,openmv/openmv,kwagyeman/openmv