With the NVM image for x550em XFI will not report
the auto-negotiation feature correctly. The auto-negotiation
should be "No" for supports and advertised items.
At the same time update speed makes it support 1G and 10G.
Fixes: 833df43399e7 ("net/ixgbe/base: add SGMII link for X550") Cc: stable@dpdk.org Signed-off-by: Piotr Skajewski <piotrx.skajewski@intel.com> Signed-off-by: Guinan Sun <guinanx.sun@intel.com> Reviewed-by: Wei Zhao <wei.zhao1@intel.com>