Change the following static arrays sized by NR_CPUS to
per_cpu data variables:

	powernow_k8_data *powernow_data[NR_CPUS];
Signed-off-by: NMike Travis <travis@sgi.com>
Reviewed-by: NChristoph Lameter <clameter@sgi.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>