[CPUFREQ] powernow-k8: preempt fix

Pavel's fix for preempt in the suspend scenario.
The driver protects itself from multiple entry already, and it does not care if
there is a long delay in the middle of a multi-step transition, so there
really is no need for it to disable preempt.
Signed-off-by: Dave Jones <davej@redhat.com>

arch/i386/kernel/cpu/cpufreq/powernow-k8.c

@@ -869,12 +869,9 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
 
 	if (smp_processor_id() != pol->cpu) {
 		printk(KERN_ERR "limiting to cpu %u failed\n", pol->cpu);
-		goto sched_out;
+		goto err_out;
 	}
 
-	/* from this point, do not exit without restoring preempt and cpu */
-	preempt_disable();
-
 	if (pending_bit_stuck()) {
 		printk(KERN_ERR PFX "failing targ, change pending bit set\n");
 		goto err_out;
@@ -912,8 +909,6 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
 	ret = 0;
 
 err_out:
-	preempt_enable_no_resched();
-sched_out:
 	set_cpus_allowed(current, oldmask);
 	schedule();