Fix the readout retimer link status incorrectly when we
remove the linux intel-fpga-driver and run the DPDK application.
The linux driver will stop the retimer when remove the kernel
modules.
Fixes: 8a256bef ("raw/ifpga/base: add eth group driver")
Cc: stable@dpdk.org
Reported-by: Amrutha Sampath <amrutha.sampath@intel.com>
Signed-off-by: Tianfei Zhang <tianfei.zhang@intel.com>
Acked-by: Rosen Xu <rosen.xu@intel.com>