Its a source of fail, also, now that cpu_power is dynamical, its a
waste of time.

before:
<idle>-0   [000]   132.877936: find_busiest_group: avg_load: 0 group_load: 8241 power: 1 

after:
bash-1689  [001]   137.862151: find_busiest_group: avg_load: 10636288 group_load: 10387 power: 1

[ dino: backport to 31-rt ]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: Darren Hart <dvhltc@us.ibm.com>
Cc: John Kacur <jkacur@redhat.com>
[andreas.herrmann3@amd.com: remove include]
Signed-off-by: Dinakar Guniguntala <dino@in.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>