[ecos submodule] Move to version 2.0.7

echu · echu · commit 25060914f382 · 2018-11-16T23:23:56.000-08:00
diff --git a/ecos b/ecos
@@ -1 +1 @@
-Subproject commit 39247cf731c7ecca99ec66faf6d29b9629ef7364
+Subproject commit 2954b2a640f2194bf91dbf51e682be17012d7698
