Add blackberry-x86-qcc stage to CI

Initial set of configure options for the blackberry-x86-qcc mkspec

Change-Id: Ic4b0b32177167fa53516bb1b64aa2653a69ec305
Reviewed-by: Simo Fält <simo.falt@digia.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>