Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "Print out error message of docker commands"
  - Print out error message of docker commands

    This print out error message of docker commands to find out the
    reason of error like[1]

    [1] https://build.opnfv.org/ci/job/daisy-build-daily-master/239/consoleFull

    Change-Id: Ic1bd85d999dbe584764bc9a05d22579835e55516
    Signed-off-by: Zhijiang Hu <hu.zhijiang@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 9c6ca57..4c57d26 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 9c6ca57f518ded774b830e4051e630d8cad1d4eb
+Subproject commit 4c57d26e33d6cc4ec66968ab488442eb2e730b45