Add PIR&LAS for wall switches mentioning PIR support (#1227)

Some devices (like KS200M) support ambient and motion, but as they are
detected as wall switches, they don't get the modules added.
This PR enables the respective modules for wall switches when the
`dev_name` contains `PIR`.

kasa/iot/iotplug.py

@@ -9,7 +9,7 @@ from ..deviceconfig import DeviceConfig
 from ..module import Module
 from ..protocol import BaseProtocol
 from .iotdevice import IotDevice, requires_update
-from .modules import Antitheft, Cloud, Led, Schedule, Time, Usage
+from .modules import AmbientLight, Antitheft, Cloud, Led, Motion, Schedule, Time, Usage
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -92,3 +92,12 @@ class IotWallSwitch(IotPlug):
     ) -> None:
         super().__init__(host=host, config=config, protocol=protocol)
         self._device_type = DeviceType.WallSwitch
+
+    async def _initialize_modules(self) -> None:
+        """Initialize modules."""
+        await super()._initialize_modules()
+        if (dev_name := self.sys_info["dev_name"]) and "PIR" in dev_name:
+            self.add_module(Module.IotMotion, Motion(self, "smartlife.iot.PIR"))
+            self.add_module(
+                Module.IotAmbientLight, AmbientLight(self, "smartlife.iot.LAS")
+            )