Revert "config: disable CONFIG_HISILICON_ERRATUM_1980005 by default"

ascend inclusion
category: feature
bugzilla: 46922, https://gitee.com/openeuler/kernel/issues/I4EHJ6


CVE: NA

-------------------------------------

This reverts commit d6ec90ce.

commit 1948fd64 ("cache: Workaround HiSilicon Taishan DC CVAU")
breaks the kabi symbols:
    cpu_hwcaps
    cpu_hwcap_keys

just revert it now.

Signed-off-by: Cheng Jian <cj.chengjian@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>