scripts/dtc: Update to upstream version 9d3649bd3be245c9

Sync dtc with upstream as of commit 9d3649bd3be2 (Add testcases for
fdt_path_offset_namelen()).

Signed-off-by: Rob Herring <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: [email protected]
29 files changed