gobject introspection is not supported in Yocto, so there is not a
python binding package to use it.
Bluez4 uses such functionality in some of the test scripts. This patch
replaces it with the legacy pygobject, so they can work again.
https://jira.digi.com/browse/DEL-1274
Signed-off-by: Javier Viguera <javier.viguera@digi.com>
Javier Viguera