Update git submodules

* Update docs/submodules/netready from branch 'master'
  - Add netready package

    It eases how Functest installs/runs it (see testcases.yaml [1]).

    [1] https://git.opnfv.org/functest/tree/functest/ci/testcases.yaml

    Change-Id: I3842e6828f60972cb1df0bc15f849cd08badd895
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/netready b/docs/submodules/netready
index d449581..38697bc 160000 (submodule)
--- a/docs/submodules/netready
+++ b/docs/submodules/netready
@@ -1 +1 @@
-Subproject commit d44958177833bfebb9a168fb511c07261930ea1e
+Subproject commit 38697bcef2049dc3f99e21dbfe7f591c987fb780