Add missing octavia mysql user creation

This patch makes sure the octavia mysql user is created when the
octavia_api service is enabled.

Change-Id: I270f3f6879737fc29370165e4a8fa8c9c19fffb3

manifests/profile/base/database/mysql.pp

@@ -199,6 +199,9 @@ class tripleo::profile::base::database::mysql (
     if hiera('nova_placement_enabled', false) {
       include ::nova::db::mysql_placement
     }
+    if hiera('octavia_api_enabled', false) {
+      include ::octavia::db::mysql
+    }
     if hiera('sahara_api_enabled', false) {
       include ::sahara::db::mysql
     }