Update git submodules

* Update docs/submodules/vnfrqts/requirements.git from branch 'master'
  to f577b145e2aa175a984a4ecb14585748a49a651a
  - Merge "Relax camel casing requirements in VES"
  - Relax camel casing requirements in VES

    In 7.1, the VES spec added requirements that
    made it mandatory for event names and
    other fields to camel case the values
    of those fields. This had the negative
    side-effect of requiring vendor and
    operator updates for existing VES
    events and their associated processing.

    To avoid this, the requirements have been
    updated from must requirements to should

    Issue-ID: VNFRQTS-869
    Signed-off-by: Lovett, Trevor <trevor.lovett@att.com>
    Change-Id: I8669e08f7c4cd2df44239ca2fa49421e011f2e1d

diff --git a/docs/submodules/vnfrqts/requirements.git b/docs/submodules/vnfrqts/requirements.git
index 71ec926..f577b14 160000 (submodule)
--- a/docs/submodules/vnfrqts/requirements.git
+++ b/docs/submodules/vnfrqts/requirements.git
@@ -1 +1 @@
-Subproject commit 71ec9265680a294fb2352d9330d45306a468b3dc
+Subproject commit f577b145e2aa175a984a4ecb14585748a49a651a