Fix a test to check duplicated phandlesandroid12-tests-dev

All the dtbo will be merged into one fdt to verify if dtb in a test
device is the same as expected.
However, there are cases the number of phandle will be
duplicated
Fix a test to get correct phandle_offset.

Bug: 259891464
Test: run vts -m VtsFirmwareDtboVerification
Change-Id: Ia90a4537a4be0dfbb0316d2b47fb12d619fa7c34
(cherry picked from commit 7bcbff31c5af60933701281d5e682e62732143d8)

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/libufdt_verify/ufdt_test_overlay.cpp b/tests/libufdt_verify/ufdt_test_overlay.cpp
index 2554d9d..ce105fb 100644
--- a/tests/libufdt_verify/ufdt_test_overlay.cpp
+++ b/tests/libufdt_verify/ufdt_test_overlay.cpp
@@ -348,7 +348,7 @@ int ufdt_resolve_duplicate_phandles(ufdt** overlay_tree, size_t overlay_count) {
         if (ufdt_overlay_do_local_fixups(overlay_tree[i], phandle_offset) < 0) {
             return -1;
         }
-        phandle_offset = ufdt_get_max_phandle(overlay_tree[i]);
+        phandle_offset += ufdt_get_max_phandle(overlay_tree[i]);
   }
 
   return 0;