openeuler/config: enable CONFIG_FCOE

hulk inclusion
category: config
bugzilla: 28204
CVE: NA

The fcoe service failed to start because we did not enable
CONFIG_FCOE just enable it.

Link: https://gitee.com/open_euler/dashboard?issue_id=I1B9O9


Signed-off-by: Cheng Jian <cj.chengjian@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>