scsi: fix kabi broken in struct Scsi_Host

hulk inclusion
category: bugfix, https://gitee.com/openeuler/kernel/issues/I7YWV4


bugzilla: 189103
CVE: NA

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This broken caused by adding "is_builtin".
Fix kabi broken in struct Scsi_Host.

Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>
Signed-off-by: Zhong Jinghua <zhongjinghua@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>