toplevel - add audio wiring

osu_fpga_toplevel.sv

@@ -165,7 +165,16 @@ module osu_fpga_toplevel (
 		// SDCard
 		.sd_sd_dat             (SD_DAT),
 		.sd_sd_cmd             (SD_CMD),
-		.sd_sd_clk             (SD_CLK)
+		.sd_sd_clk             (SD_CLK),
+		// Audio
+		.audio_bclk            (AUD_BCLK),
+		.audio_adc_data        (AUD_ADCDAT),
+		.audio_dac_data        (AUD_DACDAT),
+		.audio_dac_clk         (AUD_DACLRCK),
+		.audio_adc_clk         (AUD_ADCLRCK),
+		.audio_i2c_sdat        (I2C_SDAT),
+		.audio_i2c_sclk        (I2C_SCLK),
+		.audio_clk_clk         (AUD_XCK)
 	);