Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Fix plugin switch

    Add plugin switch in group_vars/all which missed when
    upgrade to dynamic inventory

    Change-Id: I71927bce552dca89bc6182abc9f721d5222f2be6
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index ef15f07..24fe6f1 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit ef15f07cc10f92ba07fb22d257ccbde7fab9a51d
+Subproject commit 24fe6f126656a1dd059cd895b595aa3437d70398