[PATCH 04/20] binman: Tidy up comment for Bintoolfdt_add_pubkey.run()

[Simon Glass]

This function returns a value, so add documentation for it.

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

 tools/binman/btool/fdt_add_pubkey.py | 4 ++++
 1 file changed, 4 insertions(+)

Applied to u-boot-dm, thanks!