Needed to make the earlier use disabled CPUs for CPU hotplug patch
actually work.

Need to register disabled processors as well, so we can count them
towards cpu_possible_map as hot pluggable cpus.
Signed-off-by: NAshok Raj <ashok.raj@intel.com>
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>