net/hns3: fail setting FEC if one bit mode is not supported
net/hns3: fail setting FEC if one bit mode is not supported

If the FEC mode was not supported, it should return error code.

This patch also adds a space when log error info.

Fixes: 9bf2ea8dbc65 ("net/hns3: support FEC")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <af69652d70a703aa3bb4268f61750255b6f8fb91@huawei.com>
Signed-off-by: Min Hu (Connor) <f02e10cb0a484c51b0f8634f83fbb4ab9ded1c6a@huawei.com>

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