platform: msm_shared: add dtb index for boot image v2

add dtb index support for boot image header v2

Change-Id: I101f32cf6a9f1543a52d2bd47a7679f8e612a571
diff --git a/platform/msm_shared/include/dev_tree.h b/platform/msm_shared/include/dev_tree.h
index 1d8dd07..4449286 100644
--- a/platform/msm_shared/include/dev_tree.h
+++ b/platform/msm_shared/include/dev_tree.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2014,2017-2018 The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014,2017-2019 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
@@ -163,6 +163,7 @@
 	uint32_t pmic_rev[4];
 	uint32_t offset;
 	uint32_t size;
+	uint32_t idx;
 };
 
 struct dt_table
@@ -256,4 +257,5 @@
 int dev_tree_add_mem_info(void *fdt, uint32_t offset, uint64_t size, uint64_t addr);
 void *dev_tree_appended(void *kernel, uint32_t kernel_size, uint32_t dtb_offset, void *tags);
 int get_dtbo_idx (void);
+int get_dtb_idx (void);
 #endif