Updated git submodules

Project: vnfrqts/requirements master 7685a7ca55e2a16f0740ce468272f50e4e62c249

Fix ref to Appendix in R-16777, R-18525, R-47849

The format of the documentation has changed from 3 Appendix
(A, B, and C) to a single one in Chapter 8. Changed the
references in text to point to correct part of Chapter 8

Issue-ID: VNFRQTS-208
Change-Id: Ic164db13a1e482613d074cf3f61c9f894a0377da
Signed-off-by: joquiltyL <john.quilty@ericsson.com>

diff --git a/docs/submodules/vnfrqts/requirements.git b/docs/submodules/vnfrqts/requirements.git
index e15d707..7685a7c 160000 (submodule)
--- a/docs/submodules/vnfrqts/requirements.git
+++ b/docs/submodules/vnfrqts/requirements.git
@@ -1 +1 @@
-Subproject commit e15d707b85c72e11f9700a32003b8dbecb206f54
+Subproject commit 7685a7ca55e2a16f0740ce468272f50e4e62c249