Add integration type to rpi_power

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

homeassistant/components/rpi_power/manifest.json

@@ -4,6 +4,7 @@
   "codeowners": ["@shenxn", "@swetoast"],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/rpi_power",
+  "integration_type": "hardware",
   "iot_class": "local_polling",
   "loggers": ["rpi_bad_power"],
   "requirements": ["rpi-bad-power==0.1.0"],

homeassistant/generated/integrations.json

@@ -5445,7 +5445,7 @@
           "name": "Raspberry Pi"
         },
         "rpi_power": {
-          "integration_type": "hub",
+          "integration_type": "hardware",
           "config_flow": true,
           "iot_class": "local_polling"
         },