Update git submodules

* Update docs/submodules/coe from branch 'master'
  to efb453faa6c4019b386c4052ad2b05371af20060
  - Merge "Bump to yangtools-2.0.0 and odlparent-3.0.2"
  - Merge "COE Dev Setup Documentation"
  - Bump to yangtools-2.0.0 and odlparent-3.0.2

    Change-Id: Ia56e2c8fac3dfa697ef9fed1dbf44ac33f13e1f2
    Signed-off-by: Tom Pantelis <tompantelis@gmail.com>
    Signed-off-by: Stephen Kitt <skitt@redhat.com>
  - Set OVS manager to opendaylight

    The CNI will set the ovs manager target based
    on the config that exist in cni .conf file

    Change-Id: Ib2c79c9a8a1854000b8e5ae19b2aad606b941ce3
    Signed-off-by: Mohamed ElSerngawy <m.elserngawy@gmail.com>
  - COE Dev Setup Documentation

    Change-Id: Ie38c4830807c100533406babd1dbbd8a7191c91c
    Signed-off-by: Faseela K <faseela.k@ericsson.com>
  - External-ids should be part of interface table

    Change-Id: I368bd9aff391b9e7552b2f433d3a7372a8064224
    Signed-off-by: Faseela K <faseela.k@ericsson.com>
  - Minor correction in K8s-ODL-Vagrant readme

    Change-Id: I1cf47734e5d28c9e0e409bfb0199f7f678130d84
    Signed-off-by: Faseela K <faseela.k@ericsson.com>
  - Fix the external-id field name

    Change the external-id field name to iface-id to match
    netvirt specification

    Change-Id: I919e6508f9a4a3418990b6f1c685c5f5cb71f604
    Signed-off-by: Mohamed ElSerngawy <m.elserngawy@gmail.com>

diff --git a/docs/submodules/coe b/docs/submodules/coe
index 1a7ed995bef73ae40995f06559129c1876e5a6d2..efb453faa6c4019b386c4052ad2b05371af20060 160000 (submodule)
--- a/docs/submodules/coe
+++ b/docs/submodules/coe
@@ -1 +1 @@
-Subproject commit 1a7ed995bef73ae40995f06559129c1876e5a6d2
+Subproject commit efb453faa6c4019b386c4052ad2b05371af20060