platform: msm_shared: Pass physical address in BAM descriptor.

Pass physical address of the DDR location in BAM descriptor instead
of virtual address.

Change-Id: I5139392af9271139cdc649708c642de4833d8038
diff --git a/platform/msm_shared/bam.c b/platform/msm_shared/bam.c
index ef39321..6a2205e 100644
--- a/platform/msm_shared/bam.c
+++ b/platform/msm_shared/bam.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012,2015 The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012,2016 The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -280,7 +280,7 @@
 
 /* Function to add BAM descriptors for a given fifo.
  * bam : BAM instance to be used.
- * data_ptr : Memory address for data transfer.
+ * data_ptr : Physical memory address for data transfer.
  * data_len : Length of the data_ptr.
  * flags : Flags to be set on the last desc added.
  *