audio_core: Accept Audren REV8

According to Ryujinx, REV8 only added changes on Performance buffer and Wavebuffer DSP command generation.

As we don't support any of those, we can just increment the revision number for now.

src/audio_core/audio_renderer.h

@@ -189,7 +189,7 @@ struct UpdateDataHeader {
     UpdateDataHeader() {}
 
     explicit UpdateDataHeader(const AudioRendererParameter& config) {
-        revision = Common::MakeMagic('R', 'E', 'V', '4'); // 5.1.0 Revision
+        revision = Common::MakeMagic('R', 'E', 'V', '8'); // 9.2.0 Revision
         behavior_size = 0xb0;
         memory_pools_size = (config.effect_count + (config.voice_count * 4)) * 0x10;
         voices_size = config.voice_count * 0x10;