Deprecate QRadioTuner and QRadioData

[ChangeLog] QRadioTuner and QRadioData classes are now deprecated.

Task-number: QTBUG-75943
Change-Id: I54023ad344c494f4cddb62503ab47612a8b367e9
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>

src/imports/multimedia/qdeclarativeradio.cpp

@@ -50,6 +50,7 @@ QT_BEGIN_NAMESPACE
     \ingroup multimedia_qml
     \ingroup multimedia_radio_qml
     \inherits Item
+    \deprecated
 
     \qml
     Rectangle {

src/multimedia/radio/qradiodata.cpp

@@ -59,6 +59,7 @@ Q_CONSTRUCTOR_FUNCTION(qRegisterRadioDataMetaTypes)
 
 /*!
     \class QRadioData
+    \obsolete
     \brief The QRadioData class provides interfaces to the RDS functionality of the system radio.
 
     \inmodule QtMultimedia

src/multimedia/radio/qradiotuner.cpp

@@ -64,6 +64,7 @@ Q_CONSTRUCTOR_FUNCTION(qRegisterRadioTunerMetaTypes)
 
 /*!
     \class QRadioTuner
+    \obsolete
     \brief The QRadioTuner class provides an interface to the systems analog radio device.
 
     \inmodule QtMultimedia