Add a host field description for Bravia, Brother and NAM (#104689)

homeassistant/components/braviatv/strings.json

@@ -5,6 +5,9 @@
         "description": "Ensure that your TV is turned on before trying to set it up.",
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of the Sony Bravia TV to control."
         }
       },
       "authorize": {

homeassistant/components/brother/strings.json

@@ -6,6 +6,9 @@
         "data": {
           "host": "[%key:common::config_flow::data::host%]",
           "type": "Type of the printer"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of the Brother printer to control."
         }
       },
       "zeroconf_confirm": {

homeassistant/components/nam/strings.json

@@ -6,6 +6,9 @@
         "description": "Set up Nettigo Air Monitor integration.",
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of the Nettigo Air Monitor to control."
         }
       },
       "credentials": {