Merge changes I0059a438,Ic6455ac0,I3ac329f2 into msm-3.0

* changes:
  Revert "cpu-hotplug: Add the function 'cpu_hotplug_inprogress'"
  Revert "printk: Don't allow cpu to get console lock during hotplugging"
  Revert "partition_sched_domains: Do not destroy old sched domain on cpu_up"