Update git_refs for repos with linked docs

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I55f841bf1c19af57c3d61b6b6cee3b528ac145df
diff --git a/git_refs b/git_refs
index 4d7f810..abdb60e 100644
--- a/git_refs
+++ b/git_refs
@@ -12,7 +12,7 @@
 _REPO NAME_             _DIR_    _REF_
 
 bbsim                      /        0e9fabf1747ccd5570cc49b8a4f54dfd8f194994
-cord-tester                /        ac428885f9dfd9dad1d39b45dc3e85e871eedd64
+cord-tester                /        master
 ofagent-go                 /        e8d2e9ce7874eb38855eca8d7c31d48b4bb842c7
 openolt                    /        4a663feb2d8d1291c31605c7580dcf8f4e3cfb8a
 voltctl                    /        f65749dce479d3339683f5048e77b41fefe03b0f
@@ -20,5 +20,5 @@
 voltha-openonu-adapter     /        b571ee9ed5d95eb4f516a8b158d8a2ce82361165
 voltha-openonu-adapter-go  /        d96df189b00bd7beaf09df06a936f754b270c1b0
 voltha-protos              /        24adfd66e71e8b49125a349391dcd5dd5af5e602
-voltha-system-tests        /        92a8283c1c65fa0f7a013904c85b16d80ee22e82
+voltha-system-tests        /        master
 kind-voltha                /        f942da334f192f63f8d8b9e8da13855db8bed3ea