This patch updates the x550em SFP link setup by adding
ixgbe_sfp_type_unknown and ixgbe_sfp_type_not_present case expression
to the ixgbe_setup_mac_link_sfp_x550em SFP type switch statement. This
handles the case when no module is present.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>