Update git submodules

Update git submodules

* Update docs/submodules/cli.git from branch 'master'
  to 97830fdd6e1b596219f8759716c75776ba10121f
  - Merge changes I443a9bf0,Ic4abcab2,Ic08c4594,If494672d

    * changes:
      Added sample for policy-type-list-with-latest-version command
      Added command to get latest version of specified policy type
      Added sample for policy-statistics command
      Added command to get policy statistics

  - Added sample for policy-type-list-with-latest-version command

    Added sample forpolicy-type-list-with-latest-version command

    Change-Id: I443a9bf0e48175d74afa971f6adcd892f9b83e09
    Issue-ID: CLI-198
    Signed-off-by: Vidyashree Rama <vidyashree.rama@huawei.com>
  - Added command to get latest version of specified policy type

    added command to get latest version of specified policy type

    Change-Id: Ic4abcab2dc1ad40d24741eaf7c0a8ad317ae5c83
    Issue-ID: CLI-198
    Signed-off-by: Vidyashree Rama <vidyashree.rama@huawei.com>
  - Added sample for policy-statistics command

    Added sample for policy-statistics command

    Change-Id: Ic08c459495a7e8697f8582e854b6920baf1be56c
    Issue-ID: CLI-198
    Signed-off-by: Vidyashree Rama <vidyashree.rama@huawei.com>
  - Added command to get policy statistics

    added command to get policy statistics

    Change-Id: If494672de4533bd67eb237f8b67f5e86af4a094d
    Issue-ID: CLI-198
    Signed-off-by: Vidyashree Rama <vidyashree.rama@huawei.com>