KABI: reserve space for several i2c structures

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4QWBF


CVE: NA

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Reserving some fields in struct i2c_bus_recovery_info, i2c_adapter,
i2c_board_info and i2c_algorithm for future development.

Signed-off-by: Chen Jiahao <chenjiahao16@huawei.com>
Reviewed-by: Liao Chang <liaochang1@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>