bindings: python: add support for SET_CONFIG
bindings: python: add support for SET_CONFIG

Add methods to support setting line configuration.

Signed-off-by: Kent Gibson <6bfcbbb63210ea7de0af172018fe9973db4249b7@gmail.com>
Signed-off-by: Bartosz Golaszewski <e5d45fddd9040473413b909b802f629a971ad04c@baylibre.com>

brgl/libgpiod,brgl/libgpiod,brgl/libgpiod,brgl/libgpiod