Update git submodules

Update git submodules

* Update docs/submodules/clover from branch 'master'
  - Merge "Aligned snort-ids default config for SDC scenario"
  - Aligned snort-ids default config for SDC scenario

    - Modified snort-ids alert process to use k8s DNS name
    'proxy-access-control' to align with SDC scenario naming
    - Added default port 50054 to the manifest yaml template and
    rendering script for communication with proxy-access-control

    Change-Id: Ib04ee75e5d8ea9921b16b3b4469bed87b1cd2018
    Signed-off-by: Eddie Arrage <eddie.arrage@huawei.com>