patman: Correct operation of -n

This operation was unfortunately broken by a recent change. It is now
necessary to use -i in addition to -n, if there are errors or warnings in
the patches.

Correct this by always showing the summary information.

Fixes: f3653759758 ("patman: Move main code out to a control module")
Signed-off-by: Simon Glass <sjg@chromium.org>
1 file changed