[201811][swss][utilities] advance sub module head (#3552)

* [201811][swss][utilities] advance sub module head

Submodule src/sonic-swss fcd091c..9585be4:
  > [teamsyncd]: Check if LAG exists before removing (#1069)
  > [mirrororch]: Toggle the mirror session when moving between VLAN/non-VLAN (#1078)

Submodule src/sonic-utilities 7bb6ffb..2d721de:
  > [show] Properly replace port name with alias in command output (#664)
  > [neighbor_advertiser] hand pick partial change from #525 (#689)
  > Revert "Revert "Fixed config Asym PFC CLI. (#632)" (#652)"

Signed-off-by: Ying Xie <ying.xie@microsoft.com>

* address compile issue

Submodule src/sonic-swss 9585be4..2529d79:
  > [mirrororch]: Address compiler switch issue (#1079)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>