hal: Add support for FBSP in WSA analog mode

Feedback speaker protection(FBSP) is supported in WSA
analog mode. Add the required changes to support this
feature on 8937/8953 internal codec platforms.

CRs-Fixed: 970156
Change-Id: I1e5f6c1408ba6eb1c216cf8b254ac29551837dbb
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index be50289..e32a73d 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
  * Not a contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -1206,3 +1206,8 @@
 {
     return -ENOSYS;
 }
+
+int platform_spkr_prot_is_wsa_analog_mode(void *adev __unused)
+{
+    return 0;
+}