[U-Boot] [PATCH v2 6/7] buildman: Write the environment out to an 'env' file

[sjg at google.com]

Sometimes it is useful to see the environment that was used to build
U-Boot. Write this out to a file in the build directory.

Signed-off-by: Simon Glass <sjg at chromium.org>
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Changes in v2: None

 tools/buildman/builderthread.py | 3 +++
 1 file changed, 3 insertions(+)

Applied to u-boot-dm, thanks!