ixgbe/base: fix X550em link setup without SFP
ixgbe/base: fix X550em link setup without SFP

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 <58cb9036bdff9a5412edc3b9f70e105ccf59954f@intel.com>
Acked-by: Helin Zhang <aba9dfdb1a6ec8bf1ff66b95272c029f8dfde1b1@intel.com>

mixja/dpdk,john-mcnamara-intel/dpdk,tsphillips/dpdk-fork,msune/dpdk,venkynv/dpdk-mirror,msune/dpdk,mixja/dpdk,mixja/dpdk,tsphillips/dpdk-fork,tsphillips/dpdk-fork,msune/dpdk,msune/dpdk,venkynv/dpdk-mirror,mixja/dpdk,tsphillips/dpdk-fork,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,venkynv/dpdk-mirror,venkynv/dpdk-mirror,john-mcnamara-intel/dpdk