Expand the docs to cover the ipinfo provider as well

Author: joegallo

docs/reference/ingest/apis/put-ip-location-database.asciidoc

@@ -73,8 +73,9 @@ The provider-assigned name of the IP geolocation database to download.
 The configuration necessary to identify which IP geolocation provider to use to download
 the database, as well as any provider-specific configuration necessary for such downloading.
 +
-At present, the only supported provider is `maxmind`, and the maxmind provider
-requires that an `account_id` (string) is configured.
+At present, the only supported providers are `maxmind` and `ipinfo`. The maxmind provider
+requires that an `account_id` (string) is configured. The ipinfo provider does not require
+additional configuration in the request body.
 // end::ip-location-database-object[]
 
 [[ip-location-database-configuration-licensing]]