net: hns3: add support for getting GE port lanes

driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7A712


CVE: NA

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The number of lanes on the electrical port is 0, which does not
meet the expectation. The patch add support for getting GE port
lanes.

Signed-off-by: Hao Chen <chenhao418@huawei.com>
(cherry picked from commit 49acadc5)