[U-Boot] [PATCH v2 11/37] binman: Add missing comments toentry

[sjg at google.com]

At present GetOffsets() lacks a function comment. Add one.

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

 tools/binman/entry.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

Applied to u-boot-dm, thanks!