add dscp settings

[linphone] / mediastreamer2

diff --git a/mediastreamer2 b/mediastreamer2
index 1a267bd2fb946b51b877a8cbc78f3445c11ab361..06b53e9d743ce42d9cf1d343514889a6a44a1ef5 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 1a267bd2fb946b51b877a8cbc78f3445c11ab361
+Subproject commit 06b53e9d743ce42d9cf1d343514889a6a44a1ef5