Merge "Fix pointer arithmetics in libufdt" into main am: 1059af8ae1

Original change: https://android-review.googlesource.com/c/platform/system/libufdt/+/3410038

Change-Id: I5339f8458d13957128d4d51a33ec18ff2463d795
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>