TC-based sched mode supports SRIOV enabled and SRIOV disabled. This
patch change the TM sched mode to TC-based mode in initialization
process.

Fixes: cc9bb43a ("net: hns3: Add tc-based TM support for sriov enabled port")
Signed-off-by: NPeng Li <lipeng321@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>