[IA64] palinfo.c: s/register_cpu_notifier/register_hotcpu_notifier/

Chandra Seetharaman missed one place in commit:
 65edc68c345cbe21d0b0375c3452a3ed5e322868
[but it only shows up when building the ski simulator configuration
 of ia64, so thats understandable]

Signed-off-by: Tony Luck <tony.luck@intel.com>
1 file changed