GPIO : support ascend gpio driver

ascend inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4DLVR


CVE: NA

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Hi everyone，
This patch add some special gpio register configuration.

It is necessary to configure some gpio register
when gpio-dwapb function is enable in Ascend platform.

Signed-off-by: wuhuaye <wuhuaye@huawei.com>
Reviewed-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>