crypto: hisilicon - qm obtain the mailbox config at one time

driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8E0N4


CVE: NA

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The mailbox configuration needs to be obtained from the hardware
at one time. If the mailbox configuration is obtained for multiple
times, the read value may be incorrect. Use the instruction to read
mailbox data instead of readl.

Signed-off-by: Yu'an Wang <wangyuan46@huawei.com>