Update git submodules

Update git submodules

* Update docs/submodules/cli.git from branch 'master'
  to 7afd12b085f63c3b68e4c92a30c1d95d9d8d3899
  - Merge changes I5bd73cfe,I16193def,I3b5e4f6f,Ibb8cfa87,I600cc8ed

    * changes:
      Added tenant list schema command
      Added tenant delete schema command
      Added tenant create schema command
      Added vnf delete schema command
      Added vnf list schema command

  - Added tenant list schema command

    Issue-ID: CLI-197

    Signed-off-by: Rama-Huawei <rama.subba.reddy.s@huawei.com>
    Change-Id: I5bd73cfe6ee43dba1c677c18f7c6f1323ef0fc34

  - Added tenant delete schema command

    Issue-ID: CLI-197

    Signed-off-by: Rama-Huawei <rama.subba.reddy.s@huawei.com>
    Change-Id: I16193def45779579ea33cc858294de6bb514fd98

  - Added tenant create schema command

    Issue-ID: CLI-197

    Signed-off-by: Rama-Huawei <rama.subba.reddy.s@huawei.com>
    Change-Id: I3b5e4f6f67dcc28f6d700969785c3bf345063124

  - Added vnf delete schema command

    Issue-ID: CLI-197

    Signed-off-by: Rama-Huawei <rama.subba.reddy.s@huawei.com>
    Change-Id: Ibb8cfa8781b1c6920de3f1c00050a29a4dab33b1

  - Added vnf list schema command

    Issue-ID: CLI-197

    Signed-off-by: Rama-Huawei <rama.subba.reddy.s@huawei.com>
    Change-Id: I600cc8edfdb9cd2e2e05e0d2e4f8fedd3ea1816c