bindings: cxx: initialize bitset with integer instead of string
bindings: cxx: initialize bitset with integer instead of string

Initializing bitsets with string is inefficient and confusing.
Initialize them with the corresponding int instead.

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

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