Doctrine ORM configuration to keep models out of a bundle

config.yml

doctrine:
    dbal:
        driver:   %database_driver%
        host:     %database_host%
        port:     %database_port%
        dbname:   %database_name%
        user:     %database_user%
        password: %database_password%
        charset:  UTF8

    orm:
        auto_generate_proxy_classes: %kernel.debug%
        mappings:
            model:
                type:   annotation
                dir:    %kernel.root_dir%/../src/Elnur/Model
                prefix: Elnur\Model
                alias:  Model