CI: Add testconfigs for Qt 5.4.0 branch

Change-Id: I91936f2a21962a84de32be84ef114e99ea7e9bd4
Reviewed-by: Andras Becsi <andras.becsi@digia.com>
Reviewed-by: Jani Heikkinen <jani.heikkinen@theqtcompany.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>