Updated git submodules

Project: netconf master 57d7d527a4ad15711710a2ec744d9e19de6e3a19

Merge "Use UTF-8 as the standard output"

Use UTF-8 as the standard output

Do not rely on environment-specific encoding, but always
use UTF-8 as the target encoding.

Change-Id: I540fed7611ec66ae2aaeec3b86e21af7376208b9
Signed-off-by: Robert Varga <rovarga@cisco.com>

diff --git a/docs/submodules/netconf b/docs/submodules/netconf
index 4f03d381f1f1a6f91617385e42b87cf3f5e0ee7d..57d7d527a4ad15711710a2ec744d9e19de6e3a19 160000 (submodule)
--- a/docs/submodules/netconf
+++ b/docs/submodules/netconf
@@ -1 +1 @@
-Subproject commit 4f03d381f1f1a6f91617385e42b87cf3f5e0ee7d
+Subproject commit 57d7d527a4ad15711710a2ec744d9e19de6e3a19