acpi_map_lsapic tries to stuff a long into ia64_cpu_to_sapicid[],
which can only hold ints, so let's fix that.

We need to update the signature of acpi_map_cpu2node() too.
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>