driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I6Z4E9

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Currently, bond_work, the struct of delayed work for RoCE bonding,
is attached to hns_roce_dev. During setting bond, hns_roce_dev
will be uninited and the pending works will be canceled.

This patch moves bond_work from hns_roce_dev to hns_roce_bond_group so
that the pending works can be executed after setting bond rather than
being cancelled.
Signed-off-by: NJunxian Huang <huangjunxian6@hisilicon.com>