net/bonding: fix mode type mismatch

net/bonding: fix mode type mismatch

There were some type-mismatch issues in bonding and fix them:
- Use %u to fix argument type mismatch in RTE_BOND_LOG.
- The internals->mode is of type uint8_t. But the function
  parameter 'mode' is of type int. So change the mode type
  from int to uint8_t.

Fixes: 2efb58cbab6e ("bond: new link bonding library")
Fixes: a45b288ef21a ("bond: support link status polling")
Fixes: 68451eb6698c ("net/bonding: call through EAL on create/free")
Cc: stable@dpdk.org
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Acked-by: Min Hu (Connor) <humin29@huawei.com>