net: hns3: fix VF dump register issue

net: hns3: fix VF dump register issue

BugLink: https://bugs.launchpad.net/bugs/1819535
In original codes, the .get_regs_len and .get_regs were missed
assigned. This patch fixes it.

Fixes: 1600c3e5f23e ("net: hns3: Support "ethtool -d" for HNS3 VF driver")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 8e1445a653c9f9a51fca6f80b8df82b523e1c4ba)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>