x86: trampoline_32.S - switch to .cpuinit.data

This patch fixes section mismatch warnings of __cpuinit
setup_trampoline() on 32-bit host.
Signed-off-by: Jacek Luczak <luczak.jacek@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/kernel/trampoline_32.S

@@ -33,7 +33,7 @@
 
 /* We can free up trampoline after bootup if cpu hotplug is not supported. */
 #ifndef CONFIG_HOTPLUG_CPU
-.section ".init.data","aw",@progbits
+.section ".cpuinit.data","aw",@progbits
 #else
 .section .rodata,"a",@progbits
 #endif