QtTools: set some configs enforcing

These are passing.  Make sure they stay that way.

Change-Id: I9b2ba7afec9db3524ddea1d751edafbffd736b7a
Reviewed-by: Simo Fält <simo.falt@digia.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>