!3489 ascend: export interfaces required by ascend drivers

Merge Pull Request from: @ci-robot 
 
PR sync from: Yuan Can <yuancan@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/OWEM742EOPEKLLYAGMLQT4EJBLNOIZSG/ 
 
https://gitee.com/openeuler/kernel/issues/I8OX3Q 
 
Link:https://gitee.com/openeuler/kernel/pulls/3489

 

Reviewed-by: Zucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>