Update git submodules

* Update docs/submodules/vfc/nfvo/lcm.git from branch 'master'
  to 9c506436d4babf30690bc2c591348eec2bd0ce94
  - Merge "change the requirement.txt Issue-ID: VFC-1429 Signed-off-by: zhuerlei <zhu.erlei@zte.com.cn>"
  - change the requirement.txt Issue-ID: VFC-1429 Signed-off-by: zhuerlei <zhu.erlei@zte.com.cn>

    Change-Id: Id173bfa94d9fb10507cf3d14074621251d51bd36
    Signed-off-by: erlei <zhu.erlei@zte.com.cn>

diff --git a/docs/submodules/vfc/nfvo/lcm.git b/docs/submodules/vfc/nfvo/lcm.git
index 9d87963..9c50643 160000 (submodule)
--- a/docs/submodules/vfc/nfvo/lcm.git
+++ b/docs/submodules/vfc/nfvo/lcm.git
@@ -1 +1 @@
-Subproject commit 9d87963588ef92348c37fb25047c1cf595d178b7
+Subproject commit 9c506436d4babf30690bc2c591348eec2bd0ce94