As we support `getopt` versions that don't know long options, every
option arguments needs a short option.
Also add the long options `--urls` and `--nocolor` to the `getopt`
string.
Change-Id: I11c393c3d90c7a16cdda119594221c85f902ed40
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/16682
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)