Very early cut of xua_lite app. Builds (4 threads + I2C) but not functional

examples/xua_lite_example/src/AudioConfig.h

@@ -0,0 +1,15 @@
+#ifndef _AUDIO_CONFIG_
+#define _AUDIO_CONFIG_
+
+void ConfigAudioPorts(unsigned divide);
+
+void AudioHwInit();
+
+void PLL_Init(void);
+
+/* Configures master clock and codc for passed sample freq */
+void AudioHwConfig(unsigned samFreq);
+
+void ConfigCodec24576(unsigned samFeq);
+
+#endif