ACPI: UP build fix for bugzilla-5737

cpu_online_map doesn't exist if !CONFIG_SMP.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>

arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c

@@ -225,8 +225,12 @@ acpi_cpufreq_target (
 	freqs.old = data->freq_table[cur_state].frequency;
 	freqs.new = data->freq_table[next_state].frequency;
 
+#ifdef CONFIG_HOTPLUG_CPU
 	/* cpufreq holds the hotplug lock, so we are safe from here on */
 	cpus_and(online_policy_cpus, cpu_online_map, policy->cpus);
+#else
+	online_policy_cpus = policy->cpus;
+#endif
 
 	for_each_cpu_mask(j, online_policy_cpus) {
 		freqs.cpu = j;

arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c

@@ -654,8 +654,12 @@ static int centrino_target (struct cpufreq_policy *policy,
 		return -EINVAL;
 	}
 
+#ifdef CONFIG_HOTPLUG_CPU
 	/* cpufreq holds the hotplug lock, so we are safe from here on */
 	cpus_and(online_policy_cpus, cpu_online_map, policy->cpus);
+#else
+	online_policy_cpus = policy->cpus;
+#endif
 
 	saved_mask = current->cpus_allowed;
 	first_cpu = 1;