Integration of ControlCenterUpstreamOutput to code generation

...tform.raspberry/code-gen-hal/inc/af3pihal/controlcenter.h

org.fortiss.af3.platform.raspberry/plugin.xml

...enter/ControlCenterDownstreamInputGeneratorExtension.java

...center/ControlCenterUpstreamOutputGeneratorExtension.java

...on/controlcenter/ControlcenterGeneratorExtensionBase.java

...nsion/controlcenter/DownstreamGeneratorExtensionBase.java

...rolcenter/ControlCenterDownstreamInputTransformation.java

...trolcenter/ControlCenterUpstreamOutputTransformation.java