driver inclusion
category: feature
bugzilla: 21

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Hifc driver is used to support huawei Fibre Channel intelligent interface cards,
mainly including SP520, SP521, SP522, SP523, SP525, SP526 and SP527.

Enable hifc driver to be built as a module.
Signed-off-by: Ndenglei <denglei25@huawei.com>
Reviewed-by: Nchenguangli <chenguangli2@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>