TC: Fix the wrong format specifier

The format specifier of "unsigned int" in pr_info()
should be "%u", not "%d".

Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Acked-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>