libcamera: pipeline: rkisp1: Avoid usage of dynamic_cast<>

The logic of the code guarantees that the PipelineHandler pointer passed
to the RkISP1Frames constructor is an instance of PipelineHandlerRkISP1.
We can thus use static_cast<> instead of dynamic_cast<>.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/libcamera/pipeline/rkisp1/rkisp1.cpp

@@ -221,7 +221,7 @@ private:
 };
 
 RkISP1Frames::RkISP1Frames(PipelineHandler *pipe)
-	: pipe_(dynamic_cast<PipelineHandlerRkISP1 *>(pipe))
+	: pipe_(static_cast<PipelineHandlerRkISP1 *>(pipe))
 {
 }