Update git submodules

* Update docs/submodules/vfc/nfvo/lcm.git from branch 'master'
  to a6e8a5f86ff0f48613b36ebdf50a4bc98863757b
  - Add instantiate test case
    
    Change-Id: I3fa03d310c38cc13d396fd20319b14b181bd0cdf
    Signed-off-by: yangyan <yangyanyj@chinamobile.com>
    Issue-ID: VFC-1327
    
diff --git a/docs/submodules/vfc/nfvo/lcm.git b/docs/submodules/vfc/nfvo/lcm.git
index 1ee4a11..a6e8a5f 160000
--- a/docs/submodules/vfc/nfvo/lcm.git
+++ b/docs/submodules/vfc/nfvo/lcm.git
@@ -1 +1 @@
-Subproject commit 1ee4a11393e48d1b98649872a1fc383c46ea7475
+Subproject commit a6e8a5f86ff0f48613b36ebdf50a4bc98863757b