platform: msm_shared: Add function to get dtbo idx

Add function to get the index of dt_table_entry in DTBO partition

Change-Id: I400b7a261e217504a367b0cdd1f99e8ee2148c78
diff --git a/platform/msm_shared/include/dev_tree.h b/platform/msm_shared/include/dev_tree.h
old mode 100755
new mode 100644
index 6457525..6c06b44
--- a/platform/msm_shared/include/dev_tree.h
+++ b/platform/msm_shared/include/dev_tree.h
@@ -244,4 +244,5 @@
 int update_device_tree(void *fdt, const char *, void *, unsigned);
 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);
 #endif