x86: cosmetic changes apic-related files.

This patch simply changes cpumask_t to struct cpumask and similar
trivial modernizations.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index c4a9aa5..830b9fc 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -60,7 +60,7 @@
 	void (*cpu_die)(unsigned int cpu);
 	void (*play_dead)(void);
 
-	void (*send_call_func_ipi)(const cpumask_t *mask);
+	void (*send_call_func_ipi)(const struct cpumask *mask);
 	void (*send_call_func_single_ipi)(int cpu);
 };
 
@@ -138,7 +138,7 @@
 void native_play_dead(void);
 void play_dead_common(void);
 
-void native_send_call_func_ipi(const cpumask_t *mask);
+void native_send_call_func_ipi(const struct cpumask *mask);
 void native_send_call_func_single_ipi(int cpu);
 
 extern void prefill_possible_map(void);