cli_classic: Fix first line of --help to match manpage

Make the first line of --help in usage to align with the
format of the man page, including fixing any missing options.

V.2: Add an extra space.

Change-Id: I44f82c6a54fddb54bf268fe6eb22e50acb6025cf
Signed-off-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/35793
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed