gstreamer: include icydemuxer needed for internet radios

Change-Id: If3c7931f10b47f2d85e5b3f0f48573f0956621df
Reviewed-by: Andy Nichols <andy.nichols@digia.com>

recipes/packagegroup/packagegroup-b2qt-embedded-gstreamer.bb

@@ -35,6 +35,7 @@ RDEPENDS_${PN} = "\
         gst-plugins-good-id3demux \
         gst-plugins-good-auparse \
         gst-plugins-good-isomp4 \
+        gst-plugins-good-icydemux \
         gst-plugins-ugly-rmdemux \
         gst-plugins-ugly-asf \
         gst-plugins-ugly-a52dec \