hns3 udma: add feature for eq

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


CVE: NA

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JFCE (Jetty for complete event) and JFAE (jetty for
async event) events are two kinds of event elements
of the EQ(event queue) which are CEQ and AEQ. Event
triggered by interrupt.

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