libcamera: pipeline: rkisp1: Assert empty queuedRequests before clearing frameInfo

Assert that there are no queued requests before clearing the frameInfo,
otherwise a SEGFAULT can occur.

This issue happened while running lc-compliance.

Suggested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/libcamera/pipeline/rkisp1/rkisp1.cpp

@@ -842,6 +842,7 @@ void PipelineHandlerRkISP1::stop(Camera *camera)
 		LOG(RkISP1, Warning)
 			<< "Failed to stop parameters for " << camera->id();
 
+	ASSERT(data->queuedRequests_.empty());
 	data->frameInfo_.clear();
 
 	freeBuffers(camera);