update loxigen-artifacts

* submodules/loxigen-artifacts 6bc35ba...2bdcfd8 (10):
  > Artifacts from https://github.com/floodlight/loxigen/compare/d94103f5c2a99e29df462566b70de2e39325fe33...764a45f513b0d48abb71813ea89124829221d319
  > Artifacts from https://github.com/floodlight/loxigen/compare/7d9d741382e53ab2a1819061c2d66a96dd94b3d8...d94103f5c2a99e29df462566b70de2e39325fe33
  > Artifacts from https://github.com/floodlight/loxigen/compare/dee111112d31cab4dd5668aa0a50fbb6e11a0c4b...7d9d741382e53ab2a1819061c2d66a96dd94b3d8
  > Artifacts from https://github.com/floodlight/loxigen/compare/adde1a6fe8d154105564cde5a1ccc9aa4f2a8c80...dee111112d31cab4dd5668aa0a50fbb6e11a0c4b
  > Artifacts from https://github.com/floodlight/loxigen/compare/c64bdb733c1845d6dad67ff22d93dbc5abadf77f...adde1a6fe8d154105564cde5a1ccc9aa4f2a8c80
  > Artifacts from https://github.com/floodlight/loxigen/compare/f53332e53bb842c468a9e7d8a98e4ef7e6714e96...c64bdb733c1845d6dad67ff22d93dbc5abadf77f
  > Artifacts from https://github.com/floodlight/loxigen/compare/40ad8b6548acdb15b90f04427a1ebf9e4cc2c8a4...f53332e53bb842c468a9e7d8a98e4ef7e6714e96
  > Artifacts from https://github.com/floodlight/loxigen/compare/113d8bffbc8c4419e8e58de16d926a19c740a0a7...40ad8b6548acdb15b90f04427a1ebf9e4cc2c8a4
  > Artifacts from https://github.com/floodlight/loxigen/compare/b9f27402d7e4d9e5a07bf41cb1dffac04206ceb7...113d8bffbc8c4419e8e58de16d926a19c740a0a7
  > Artifacts from https://github.com/floodlight/loxigen/compare/28bd59103b024523fa7d91fd6930aed69c330526...b9f27402d7e4d9e5a07bf41cb1dffac04206ceb7
ivs: add egr_port_group_id to the CFR
OVSDriver: add IND_OVS_ACTION_SET_EGR_PORT_GROUP_ID
Merge into master from pull request #118:
support bsn_egr_port_group_id extension (https://github.com/floodlight/ivs/pull/118)