ohsmarthome-py: Add recipe

This recipe installs a Python library that can be used for
communication over BLE with IoT devices using AllScenariOS
Smart Home firmware.

It is used by Smart Panel Home Assistant plugin.

Signed-off-by: Wojciech Zmuda <wojciech.zmuda@huawei.com>
Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>