MIPS: 64-bit: Mark native syscall table as data object.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/scall64-64.S

@@ -114,7 +114,8 @@ illegal_syscall:
 	END(handle_sys64)
 
 	.align	3
-sys_call_table:
+	.type	sys_call_table, @object
+EXPORT(sys_call_table)
 	PTR	sys_read			/* 5000 */
 	PTR	sys_write
 	PTR	sys_open