ixgbe: fix x550em 10G NIC link status

ixgbe: fix x550em 10G NIC link status

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.

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>
Approved by:	imp
Obtained from:	DPDK (fb03b51da940f1d56d701776fd85a0dfc1ace098)
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D31621