cpumask: Use accessors for cpu_*_mask: m32r

Use the accessors rather than frobbing bits directly (the new versions
are const).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>

arch/m32r/kernel/smpboot.c

@@ -178,7 +178,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	for (phys_id = 0 ; phys_id < nr_cpu ; phys_id++)
 		physid_set(phys_id, phys_cpu_present_map);
 #ifndef CONFIG_HOTPLUG_CPU
-	cpu_present_map = cpu_possible_map;
+	init_cpu_present(&cpu_possible_map);
 #endif
 
 	show_mp_info(nr_cpu);