libufdt: add dimorinny to the owners list am: 30d1812608

Original change: https://android-review.googlesource.com/c/platform/system/libufdt/+/3247434

Change-Id: I135391470f1de199ccec178cc33e14341a81d05f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>