patman: Make sure sendemail.suppresscc is (un)set correctly

Setting sendemail.suppresscc to all or cccmd leads to --cc-cmd
parameter being ignored, and emails going either nowhere, or
just to the To: line maintainer.

Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
2 files changed