x86, realmode: Align .data section in trampoline_32.S

Specify the alignment of the .data section in trampoline_32.S.
Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1336501366-28617-12-git-send-email-jarkko.sakkinen@intel.com

arch/x86/realmode/rm/trampoline_32.S

@@ -68,7 +68,7 @@ trampoline_data:
 
 	.data
 	.globl startup_32_smp, boot_gdt, trampoline_status
-
+	.balign	4
 boot_gdt_descr:
 	.word	__BOOT_DS + 7			# gdt limit
 boot_gdt: