hulk inclusion
category: bugfix
bugzilla: 168625
CVE: NA

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After calling add_disk, we have register new kobj map for sd device,
then we can remove old unused kobj map which probed by sd_remove.
Signed-off-by: NYufen Yu <yuyufen@huawei.com>
Reviewed-by: NJason Yan <yanaijie@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>