kabi: reserve space for io subsystem related structures

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4KFY7?from=project-issue
CVE: NA

-------------------------------

Reserve space for the structures in io subsystem.
Signed-off-by: NWang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: NCheng Jian <cj.chengjian@huawei.com>
Reviewed-by: NCheng Jian <cj.chengjian@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

include/linux/ioport.h

@@ -13,6 +13,7 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <linux/bits.h>
+#include <linux/kabi.h>
 /*
  * Resources are tree-like, allowing
  * nesting etc..
@@ -24,6 +25,10 @@ struct resource {
 	unsigned long flags;
 	unsigned long desc;
 	struct resource *parent, *sibling, *child;
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
 };
 
 /*