platform: mtk: add platform dai build support for mt8186

Add platform dai build support
Add platform dai_init

Signed-off-by: Chunxu Li <chunxu.li@mediatek.com>

src/platform/mt8186/lib/CMakeLists.txt

@@ -4,4 +4,5 @@ add_local_sources(sof
 	clk.c
 	dma.c
 	memory.c
+	dai.c
 )

src/platform/mt8186/platform.c

@@ -196,7 +196,9 @@ int platform_init(struct sof *sof)
 	/* initialize the host IPC mechanims */
 	ipc_init(sof);
 
-	/* TO-DO: dai init */
+	ret = dai_init(sof);
+	if (ret < 0)
+		return ret;
 
 #if CONFIG_TRACE
 	/* Initialize DMA for Trace*/