buildozer: added potr in requirements potr is a custom recipe, will be added in fork. No need to propose upstream has it's the old toolchain and we'll move as soon as possible to the new one.

[DEFAULT]
bridge = pb
log_level = debug
log_fmt = #[%%(levelname)s][%%(name)s] %%(message)s

[cagou]
log_level = debug
log_fmt = [%%(levelname)s][%%(name)s] %%(message)s