[PATCH v2 13/33] dtoc: Track nodes which are actually used

[Simon Glass]

Mark all nodes that are actually used, so we can perform extra checks on
them.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 tools/dtoc/dtb_platdata.py  |  3 +++
 tools/dtoc/src_scan.py      | 25 ++++++++++++++++++++++---
 tools/dtoc/test_dtoc.py     | 11 +++++++++++
 tools/dtoc/test_src_scan.py |  2 +-
 4 files changed, 37 insertions(+), 4 deletions(-)

Applied to u-boot-dm, thanks!