[201811 submodules] advance sairedis, swss, swss-common, utilities (#2594)

* [201811 submodules] advance sairedis, swss, swss-common, utilities

Submodule src/sonic-sairedis d57222a..54b02a1:
  > Add support for fdb_event MOVE and check fdb event oids (#420)
  > [vslib] add missing port attributes for virtual switch (#419)

Submodule src/sonic-swss 584490c..62e2a20:
  > [fdborch] Store vlan id of FDB entry instead of port pvid into stateD… (#759)
  > [portsorch] Change speed set flow (#764)
  > Create egress ACL table group during the PFCWD stats list installment (#787)

Submodule src/sonic-swss-common 286ef34..2592b0c:
  > Add support for WarmStart::setDataCheckState() (#242)

Submodule src/sonic-utilities b44b462..d409987:
  > [sonic_installer] Improve error handling (#460)
  > [clock] sync os time to CMOS before rebooting (#465)
  > [intfstat] add intfstat script to output RIF counters (#439)

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

* [201811 utilties] add 201811 branch for sonic-utilities repo

Submodule src/sonic-utilities d409987...ff1448c:
  > [sonic_installer] Improve error handling (#460)
  > [clock] sync os time to CMOS before rebooting (#465)
  < [sonic_installer] Improve error handling (#460)
  < [clock] sync os time to CMOS before rebooting (#465)
  < [intfstat] add intfstat script to output RIF counters (#439)

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

Author: yxieca

.gitmodules

@@ -38,6 +38,7 @@
 [submodule "src/sonic-utilities"]
 	path = src/sonic-utilities
 	url = https://github.com/Azure/sonic-utilities
+	branch = 201811
 [submodule "platform/broadcom/sonic-platform-modules-arista"]
 	path = platform/broadcom/sonic-platform-modules-arista
 	url = https://github.com/aristanetworks/sonic