- keep portions of internal add/remove helpers

mb12xx driver: add -b and -a flags to choose i2c busses and remove nuttx stuff such as exit functions

srf02 driver: add -b and -a flags to choose i2c busses and remove nuttx stuff such as exit functions

vl53lxx driver: add -b, -a and -R flags to choose i2c busses and sensor rotation and remove nuttx stuff such as exit functions

sf1xx driver: add -b and -a flags to choose i2c busses and remove nuttx stuff such as exit functions

teraranger driver: add -b and -a flags to choose i2c busses and remove nuttx stuff such as exit functions

to 20 seconds

Signed-off-by: Roman <bapstroman@gmail.com>

Signed-off-by: Roman <bapstroman@gmail.com>

Signed-off-by: Roman <bapstroman@gmail.com>

Signed-off-by: Roman <bapstroman@gmail.com>

- do not do calibration if not very sure that battery is not connected
- initialise all structs and variables

Signed-off-by: Roman <bapstroman@gmail.com>

Signed-off-by: Roman <bapstroman@gmail.com>