v4l2: Change to query only up to V4L2_CID_PRIVATE_BASE+V4L2_CID_MAX_CTRLS
Fix to prevent infinite querying. There are devices that exceed V4L2_CID_PRIVATE_BASE+V4L2_CID_MAX_CTRLS but do not return EINVAL.
Fix to prevent infinite querying. There are devices that exceed V4L2_CID_PRIVATE_BASE+V4L2_CID_MAX_CTRLS but do not return EINVAL.