Added dtk sound mixing to audiocommon (should work with LLE now)

And also moved all common setting to audiocommonconfig


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2796 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/AudioCommon/Src/Mixer.cpp

@@ -39,6 +39,11 @@ void CMixer::Mix(short *samples, int numSamples)
 			return;
 	}
 
+	// first get the DTK Music
+	if (m_EnableDTKMusic) {
+		g_dspInitialize.pGetAudioStreaming(samples, numSamples);
+	}
+
 	Premix(samples, numSamples);
 	
 	push_sync.Enter();