Update git submodules

Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "Eliminate error logs in virtual deployment"
  - Eliminate error logs in virtual deployment

    There are some error messages in virtual deployment, such as
    "Domain not found" or "network is already active".
    The script forgets to destroy the keep-alived network, and should
    not destroy a non-existent VM or network.

    Change-Id: I8d9dce9d70f732bd6942b293e407e1845d81fc39
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>