Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Merge "deploy/template/vm: support aarch64 VM"
  - deploy/template/vm: support aarch64 VM

    - Use architecture specific host-ARCH.xml if available, otherwise
      fallback to default host.xml(x86_64).
    - Add "--nvram" to undefine UEFI enabled VMs.

    Change-Id: I89a0eb3875f98d18a28463bbf1004f5eca5de324
    Signed-off-by: Yibo Cai <yibo.cai@arm.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 8c21984..5fc5b92 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 8c219841bb484370f83f88f3d3f627ee6c3858d0
+Subproject commit 5fc5b9252d1bb18f1d9cecef00d5ce24117784e6