hns3 udma: function of hardware init

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I85R2F


CVE: NA

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Ex_doorbell link table, hardware_entry_management
table and timer_linktable should be set in function
of hardware init.

Ex_doorbell link table and timer_linktable are
created by driver but only used by hardware.

Hardware_entry_management(HEM) table is the size
of resources like qps.

Signed-off-by: Weibo Zhao <zhaoweibo3@huawei.com>