libcamera: stream: Rename StillCaptureRaw to Raw

With the buffer copy removed from all pipelines for raw capture
rename StillCaptureRaw to Raw to better describe the role.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

src/libcamera/pipeline/raspberrypi/raspberrypi.cpp

@@ -461,7 +461,7 @@ CameraConfiguration *PipelineHandlerRPi::generateConfiguration(Camera *camera,
 	unsigned int outCount = 0;
 	for (const StreamRole role : roles) {
 		switch (role) {
-		case StreamRole::StillCaptureRaw:
+		case StreamRole::Raw:
 			size = data->sensor_->resolution();
 			fmts = data->unicam_[Unicam::Image].dev()->formats();
 			sensorFormat = findBestMode(fmts, size);