Add support for voxlpm (I2C power monitor) (Used by ModalAI FMU v5m) #13132
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Describe problem solved by the proposed pull request
Like the FMU v5x, the ModalAI FMU v5m uses an I2C bus for monitoring battery. The 'voxlpm' (VOXL Power Management) board provides QTY2 LTC2946 I2C devices for monitoring of battery voltage/amperage as well as monitoring a 5VDC regulated output voltage/amperage to the companion computer (VOXL). This driver is used in an (upcoming) PR for the FMU v5m board support.
Test data / coverage
This driver has been in test for the last couple months in our flight/bench testing. It's use case is likely tied to the ModalAI FMU v5m for the time being, although the v5x board could use this!
Describe your preferred solution
This driver is started by boards/modalai/fmuv5m/init/rc.boards_sensors
This will be visible in an upcoming PR.
Describe possible alternatives
N/A
Additional context
N/A