[automerge] libfdt: fdt_path_offset_namelen: Reject empty paths 2p: a6ac6d916d am: bfb9c7cab7 am: 952da991f4 am: 2d6c51c1d2 am: 46db458909

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/dtc/+/20024810

Change-Id: Ie4f7a73287c194b31cd0e57a08c9b69f0c98bcf7
Signed-off-by: Automerger Merge Worker <[email protected]>