x86: cpuinit-annotate SMP boot trampolines properly

Add missing annotations, and make use of include/linux/init.h's
macros.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4AA0E8F60200007800013703@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/trampoline_32.S b/arch/x86/kernel/trampoline_32.S
index 66d874e..8508237 100644
--- a/arch/x86/kernel/trampoline_32.S
+++ b/arch/x86/kernel/trampoline_32.S
@@ -28,16 +28,12 @@
  */
 
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/segment.h>
 #include <asm/page_types.h>
 
 /* We can free up trampoline after bootup if cpu hotplug is not supported. */
-#ifndef CONFIG_HOTPLUG_CPU
-.section ".cpuinit.data","aw",@progbits
-#else
-.section .rodata,"a",@progbits
-#endif
-
+__CPUINITRODATA
 .code16
 
 ENTRY(trampoline_data)