Update git submodules

* Update docs/submodules/vnfrqts/requirements.git from branch 'master'
  to b66f266761d50b2748db5d81eac0d83b98e23e2d
  - Merge "Update VNFRQTS-572"
  - Update VNFRQTS-572
    
    Update VNFRQTS-572 with more details information
    
    Change-Id: I504d4128775a5c5469c4e49c622c5826223421b1
    Issue-ID: VNFRQTS-572
    Signed-off-by: fzhang <fei.zhang@ericsson.com>
    
diff --git a/docs/submodules/vnfrqts/requirements.git b/docs/submodules/vnfrqts/requirements.git
index f6f5cfb..b66f266 160000
--- a/docs/submodules/vnfrqts/requirements.git
+++ b/docs/submodules/vnfrqts/requirements.git
@@ -1 +1 @@
-Subproject commit f6f5cfb5d5f1ef7557593576bde7ca49772bb8fe
+Subproject commit b66f266761d50b2748db5d81eac0d83b98e23e2d