Update git submodules

* Update docs/submodules/vfc/nfvo/lcm.git from branch 'master'
  to 81f56408de3b059b8345d3d1aeef084eaa5e8f49
  - Fix Catalog API Document error
    
    Fix Catalog API Document error
    
    Change-Id: Ideb8ea37d4b412f70a305f98b0a05332406ac395
    Issue-ID: VFC-1241
    Signed-off-by: maopengzhang <zhang.maopeng1@zte.com.cn>
    
diff --git a/docs/submodules/vfc/nfvo/lcm.git b/docs/submodules/vfc/nfvo/lcm.git
index 6211b45..81f5640 160000
--- a/docs/submodules/vfc/nfvo/lcm.git
+++ b/docs/submodules/vfc/nfvo/lcm.git
@@ -1 +1 @@
-Subproject commit 6211b458d161641248af1828e4e890dd4cc680ce
+Subproject commit 81f56408de3b059b8345d3d1aeef084eaa5e8f49