bacon: use camera interface for torch

This will prevent camera apps from opening
and taking control of the torch. Instead,
it wil say "Cannot connect to camera".

Change-Id: I060228ef56588c57bd853ffd8268ec59151dd504
Signed-off-by: Roman Birg <roman@cyngn.com>
init: Set read-only properties with the radio and PCB versions

Change-Id: I2f480fd7642a749dfd2452f60283b68a55a5b81f