ARM: dts: msm: Add audio test device for sdm670

Add audio test device as child of load module device.
This will invoke deferred probe devices to address
sound card failure issue.

Change-Id: Ibf6c1a15ebf8b8eb114549f60d096f0e8b7819ff
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi b/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi
index bda44cc..16b62a9 100644
--- a/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -23,6 +23,13 @@
 };
 
 &soc {
+	audio_load_mod {
+		compatible = "qcom,audio-load-mod";
+		audio_test_mod {
+			compatible = "qcom,audio-test-mod";
+		};
+	};
+
 	qcom,avtimer@62cf700c {
 		compatible = "qcom,avtimer";
 		reg = <0x62cf700c 0x4>,