Enphase to Evil: add host field description (#104779)

Co-authored-by: Franck Nijhof <git@frenck.dev>

homeassistant/components/enphase_envoy/strings.json

@@ -8,6 +8,9 @@
           "host": "[%key:common::config_flow::data::host%]",
           "username": "[%key:common::config_flow::data::username%]",
           "password": "[%key:common::config_flow::data::password%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your Enphase Envoy gateway."
         }
       }
     },

homeassistant/components/epson/strings.json

@@ -5,6 +5,9 @@
         "data": {
           "host": "[%key:common::config_flow::data::host%]",
           "name": "[%key:common::config_flow::data::name%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your Epson projector."
         }
       }
     },

homeassistant/components/evil_genius_labs/strings.json

@@ -4,6 +4,9 @@
       "user": {
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your Evil Genius Labs device."
         }
       }
     },