[U-Boot] [PATCH v2 36/37] binman: Pad empty areas of the CBFS with files

[sjg at google.com]

When there is lots of open space in a CBFS it is normally padded with
'empty' files so that sequentially scanning the CBFS can skip from one to
the next without a break.

Add support for this.

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

Changes in v2: None

 tools/binman/cbfs_util.py      | 68 ++++++++++++++++++++++++++++++++--
 tools/binman/cbfs_util_test.py | 23 +++++++++++-
 2 files changed, 87 insertions(+), 4 deletions(-)

Applied to u-boot-dm, thanks!