Update git submodules

* Update docs/submodules/vnfrqts/requirements.git from branch 'master'
  to 4434315aa9ead5dd7c37d53d1c56589ece3c3cda
  - Merge "Update the requirement R-77707 in VNFRQTS-582"
  - Update the requirement R-77707 in VNFRQTS-582

    Update the requirement R-77707 for VNF HEAT.

    Change-Id: I3115396348e2f17c82ae52fb52153eeb8efa3626
    Issue-ID: VNFRQTS-582
    Signed-off-by: fzhang <fei.zhang@ericsson.com>

diff --git a/docs/submodules/vnfrqts/requirements.git b/docs/submodules/vnfrqts/requirements.git
index 8e57851..4434315 160000 (submodule)
--- a/docs/submodules/vnfrqts/requirements.git
+++ b/docs/submodules/vnfrqts/requirements.git
@@ -1 +1 @@
-Subproject commit 8e57851e1dbd1e87d04aafaf6158d1a55abb76e7
+Subproject commit 4434315aa9ead5dd7c37d53d1c56589ece3c3cda