x86: GEODE: MFGPT: fix typo in printk in mfgpt_timer_setup

Signed-off-by: Arnd Hannemann <hannemann@i4.informatik.rwth-aachen.de>
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>