ipa: raspberrypi: Use YamlParser to replace dependency on boost

The Raspberry Pi IPA module depends on boost only to parse the JSON
tuning data files. As libcamera depends on libyaml, use the YamlParser
class to parse those files and drop the dependency on boost.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>

src/ipa/raspberrypi/controller/algorithm.h

@@ -15,9 +15,9 @@
 #include <memory>
 #include <map>
 
-#include "controller.h"
+#include "libcamera/internal/yaml_parser.h"
 
-#include <boost/property_tree/ptree.hpp>
+#include "controller.h"
 
 namespace RPiController {
 
@@ -35,7 +35,7 @@ public:
 	virtual bool isPaused() const { return paused_; }
 	virtual void pause() { paused_ = true; }
 	virtual void resume() { paused_ = false; }
-	virtual int read(boost::property_tree::ptree const &params);
+	virtual int read(const libcamera::YamlObject &params);
 	virtual void initialise();
 	virtual void switchMode(CameraMode const &cameraMode, Metadata *metadata);
 	virtual void prepare(Metadata *imageMetadata);