net: hns: update the dependency

After the patchset about adding support of ACPI (commit id is 63434888)
being applied, HNS does not depend on OF. It depends on OF or ACPI, so
the Kconfig file needs to be updated.

Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>