net/ixgbe: fix link status after port reset
net/ixgbe: fix link status after port reset

It's a normal behavior to change the link status to up after
resetting the port. So it is unnecessary to set link down before
starting port, and changing the link state(link up/down) frequently
will cause link speed unstable.

Fixes: c3f2fbff78cf ("net/ixgbe: fix link status")
Cc: stable@dpdk.org

Signed-off-by: Shougang Wang <f5a73e725f8d9cee87ff8146ba570071ef540761@intel.com>
Acked-by: Qiming Yang <6f20802c8a43e38f9b475618bd31b5b1ac8c8656@intel.com>
Tested-by: Xueming Zhang <8cbd52508696940b3cc649d2634e17a4be06eb8d@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk