Merge "libufdt: Fix benign signed int overflow in hash calculation." am: 59aab34689

Original change: https://android-review.googlesource.com/c/platform/system/libufdt/+/2323373

Change-Id: Ie07d256648624815f262db2c69d99d8375149dab
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>