Add 090615.switch.xswitch01 support

[jingcard]

Logger: custom_components.xiaomi_miio_plug.switch
Source: custom_components/xiaomi_miio_plug/switch.py:176
Integration: xiaomi_miio_plug (documentation, issues)
First occurred: 上午10:24:13 (1 occurrences)
Last logged: 上午10:24:13

Unsupported device found! Please create an issue at https://github.com/rytilahti/python-miio/issues and provide the following data: 090615.switch.xswitch01