print_wiki.c: refine header and include a legend explaining the test state representation.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

git-svn-id: svn://flashrom.org/flashrom/trunk@1816 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
print_wiki.c: there is only one way to represent time.

ISO 8601.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

git-svn-id: svn://flashrom.org/flashrom/trunk@1817 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1