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

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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>