hal: fix querying MAD calibration

Processing of HWDEP MAD calibration is done from sound trigger
HAL. Skip it in audio HAL which results in unnecessary logging
of errors although ignored.

Change-Id: Ibd8e6bea78d5e686c25ea5a5bb77b1cc5e53604e
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index b5680fb..7aed184 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -1054,6 +1054,10 @@
         struct param_data calib;
         int ret;
 
+        /* MAD calibration is handled by sound trigger HAL, skip here */
+        if (type == WCD9XXX_MAD_CAL)
+            continue;
+
         ret = 0;
         calib.get_size = 1;
         ret = acdb_loader_get_calibration(cal_name_info[type],