KABI: reserve space for struct input_dev

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4QWCF
CVE: NA

--------

Reserving some fields in struct input_dev for future development.
Signed-off-by: NChen Jiahao <chenjiahao16@huawei.com>
Reviewed-by: NLiao Chang <liaochang1@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

include/linux/input.h

@@ -20,6 +20,7 @@
 #include <linux/fs.h>
 #include <linux/timer.h>
 #include <linux/mod_devicetable.h>
+#include <linux/kabi.h>
 
 struct input_dev_poller;
 
@@ -201,6 +202,9 @@ struct input_dev {
 	bool devres_managed;
 
 	ktime_t timestamp[INPUT_CLK_MAX];
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 #define to_input_dev(d) container_of(d, struct input_dev, dev)