python3-pyconnman: fix import issues with python3

release 0.1.0 of pyconnman is not using relative import so it
crashes when you try to load it with python3.
Add patch from upstream to make it work.

Signed-off-by: Nicola Lunghi <nick83ola@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-connectivity/python-pyconnman/python3-pyconnman_0.1.0.bb

@@ -2,4 +2,8 @@ require python-pyconnman.inc
 
 inherit setuptools3
 
+SRC_URI_append = " \
+    file://0001-Import-local-modules-by-relative-path-for-python3-su.patch \
+"
+
 RDEPENDS_${PN} += "python3-dbus python3-pprint"