net/hinic: fix offload info calculating for TSO
net/hinic: fix offload info calculating for TSO

For VXLAN TSO offload, PMD calculates offload info
err due to the wrong branch, which can cause hardware failed.

Fixes: c3ba1f0f20cd ("net/hinic: support inner L3 checksum offload")

Signed-off-by: Xiaoyun Wang <753d902756707c9e22f605d1e300d623bba27abc@huawei.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk