Set single_config_entry in cpuspeed (#131486)

* Set single_config_entry in cpuspeed

* Adjust tests

homeassistant/components/cpuspeed/config_flow.py

@@ -23,7 +23,6 @@ class CPUSpeedFlowHandler(ConfigFlow, domain=DOMAIN):
     ) -> ConfigFlowResult:
         """Handle a flow initialized by the user."""
         await self.async_set_unique_id(DOMAIN)
-        self._abort_if_unique_id_configured()
 
         if user_input is None:
             return self.async_show_form(step_id="user")

homeassistant/components/cpuspeed/manifest.json

@@ -6,5 +6,6 @@
   "documentation": "https://www.home-assistant.io/integrations/cpuspeed",
   "integration_type": "device",
   "iot_class": "local_push",
-  "requirements": ["py-cpuinfo==9.0.0"]
+  "requirements": ["py-cpuinfo==9.0.0"],
+  "single_config_entry": true
 }

homeassistant/components/cpuspeed/strings.json

@@ -8,7 +8,6 @@
       }
     },
     "abort": {
-      "already_configured": "[%key:common::config_flow::abort::single_instance_allowed%]",
       "not_compatible": "Unable to get CPU information, this integration is not compatible with your system"
     }
   }

homeassistant/generated/integrations.json

@@ -1057,7 +1057,8 @@
     "cpuspeed": {
       "integration_type": "device",
       "config_flow": true,
-      "iot_class": "local_push"
+      "iot_class": "local_push",
+      "single_config_entry": true
     },
     "cribl": {
       "name": "Cribl",

tests/components/cpuspeed/test_config_flow.py

@@ -50,7 +50,7 @@ async def test_already_configured(
     )
 
     assert result.get("type") is FlowResultType.ABORT
-    assert result.get("reason") == "already_configured"
+    assert result.get("reason") == "single_instance_allowed"
 
     assert len(mock_setup_entry.mock_calls) == 0
     assert len(mock_cpuinfo_config_flow.mock_calls) == 0