docs: update OFED driver to LTS version

Signed-off-by: Tianyu Li <tianyu.li@arm.com>
Reviewed-by: Lijian Zhang <Lijian.Zhang@arm.com>
Reviewed-by: Jieqiang Wang <Jieqiang.Wang@arm.com>

Change-Id: I720d4b3cd6561ddddbdd6f705c0758fbc5dfea74