[PATCH v9 08/14] binman: Support optional external blobs

[Simon Glass]

Some blobs are actually not necessary for the board to work correctly. Add
a property to allow this to be indicated. Missing optional blobs do not
cause a build failure.

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

(no changes since v8)

Changes in v8:
- Move support for optional external blobs into this series
- Support optional FIT images

 tools/binman/binman.rst                |  9 +++++++++
 tools/binman/control.py                | 11 +++++++++++
 tools/binman/entry.py                  | 25 +++++++++++++++++++++----
 tools/binman/etype/blob.py             |  2 +-
 tools/binman/etype/fit.py              | 11 ++++++-----
 tools/binman/etype/section.py          | 14 +++++++++++++-
 tools/binman/ftest.py                  | 10 ++++++++++
 tools/binman/test/266_blob_ext_opt.dts | 21 +++++++++++++++++++++
 8 files changed, 92 insertions(+), 11 deletions(-)
 create mode 100644 tools/binman/test/266_blob_ext_opt.dts

Applied to u-boot-dm, thanks!